fredojure

A 0.20 kg object, attached to a spring with spring constant k = 10 N/m, is moving on a horizontal frictionless surface in simple harmonic motion of amplitude of 0.080 m. What is its speed at the instant when its displacement is 0.040 m?

A 0.2 kg object, suspended from a spring with a spring constant of k = 10 N/m, is moving in simple harmonic motion and has an amplitude of 0.08 m. what is its velocity at the instant when its displacement is 0.04m? (HInt: Use conservation of energy.)

An object with mass 4.0 kg is attachedto a spring with springstiffness constant k =300 N/m and is executingsimpleharmonic motion. When the object is 0.020 m from itsequilibriumposition, it is moving with a speed of 0.55 m/s.

(a) Calculate the amplitude of the motion.
(b) Calculate the maximum velocity attained by the object.[Hint:Use conservation of energy.]
2

An object with mass 3.0 kg is attached to to a spring with springstiffness constant k = 280 N/m and is?
executing simple harmonic motion. When the object is 0.020 m fromits equilibrium position, it is moving with a speed of speed of0.55 m/s (a) calculate the amplitude of the motion. (b) calculatethe maximum velocity attained by the object?.

A 0.600 kg object attached to a spring with a force constant of8.00 N/m vibrates in simple harmonic motion with an amplitude of13.0 cm.
(a) Calculate the maximum value (magnitude) of its speed andacceleration.
cm/s
cm/s2
(b) Calculate the speed and acceleration when the object is 9.00 cmfrom the equilibrium position.
cm/s
cm/s2
(c) Calculate the time interval required for the object to movefrom x = 0 to x = 7.00 cm.
s

a 0.500-kg mass is attached to a spring with a spring constant of8.00-N/m. The object undergoes simple harmonic motion with anamplitude of 10.0-cm

a) What is the maximum value of its speed and acceleration?
b) What is the speed and acceleration of the mass when it is6.00-cmfrom the equilibrium position?
c) what time interval is required for the mass to move fromx=10.0-cm to x=2.00-cm?

A 0.500-kg mass is attached to a spring with a spring constant of 8.00-N/m. The object undergoes simple harmonic motion with an amplitude of 10.0-c,. a) what is the maximum value of its speed and acceleration? b) what is the speed and acceleration of the mass when it is 6.00-cm from the equilibrium position? c) what time interval is required for the mass to move from x=10.0-cm down to x= 2.00cm?

a 0.500-kg mass is attached to a spring with a spring constant of8.00-N/m. The object undergoes simple harmonic motion with anamplitude of 10.0-cm

a) What is the maximum value of its speed and acceleration?
b) What is the speed and acceleration of the mass when it is6.00-cmfrom the equilibrium position?
c) what time interval is required for the mass to move fromx=10.0-cm to x=2.00-cm?

a mass of 0.40kg attached to a spring with a spring constant of 80N/m is set into simple harmonic motion. What is the magnitude of the acceleration of the mass when its maximum displacement of 0.10m from the equilibrium position?

A block of mass 0.20 kg is suspended on a spring of force constant 80N/m. The block is set in a simple harmonic motion with an amplitude of 0.04m. The mass reaches its maximum speed at ____ where x=0 is the equilibrium position. The angular frequency of the system is ____?

A 1.90-kg object attached to a spring moves without friction (b =0) and is driven by an external force given by the expression F =3.20sin(2pt), where F is in newtons and t is in seconds. The forceconstant of the spring is 37.0 N/m.
(a) Find the resonance angular frequency of the system.
(b) Find the angular frequency of the driven system.
(c) Find the amplitude of the motion.

A 2.8 kg object is attached to a horizontal spring of forceconstant k = 4.9 kN/m. The spring is stretched 10 cm fromequilibrium and released.

(a) Find the frequency of the motion.

(b) Find the period.

(c) Find the amplitude.

(d) Find the maximum speed.

(e) Find the maximum acceleration.

(f) When does the object first reach its equilibriumposition?

(g) What is its acceleration at this time?

A 2 Kg object is attached to a string and placed on a frictionless,horizontal surface. A horizontal force of 20 N is required to holdthe object at rest when it is pulled 0.2 m from its equilibriumposition (the origin of the X axis). The object is now releasedfrom rest from this stretched position, and it subsequentlyundergoes simple harmonic oscillations. Find...
a) The force constant of the spring
b) The frequency of the oscillations
c) The maximum speed of the object
d) Where does this maximum speed occur?
e) Find the maximum acceleration of the object
f) Where does the maximum acceleration occur?
g) Find the total energy of theoscillating system
h) Find the speed and...
i) Acceleration of the object when its position is equal toone-third the maximum value

A 2.00-kg object isattached to a spring and placedon a horizontal, smoothsurface.

A horizontal force of20.0 N is required to hold theobject at rest when it is pulled0.200 m

from its equilibriumposition (the origin of the xaxis).The object is now released from rest

with an initialposition of xi =0.200 m, and itsubsequently undergoes simple harmonic

oscillations. Find(a) the force constant of thespring, (b) the frequency of theoscillations,

and (c) the maximumspeed of the object. Where doesthis maximum speed occur?(d)

Find the maximumacceleration of the object. Wheredoes it occur? (e) Find thetotal

energy of theoscillating system. Find (f) the speedand (g) the acceleration ofthe object

when its position is equal to onethird of the maximum value.

A 5.00-kg object is attached to a spring and placed on africtionless,
horizontal surface. A horizontal force of 17.0 N is
required to hold the object at rest when it is pulled 0.3 m
from its equilibrium position (the origin of the x axis). The
object is now released from rest from this stretchedposition,
and it subsequently undergoes simple harmonic oscillations.
Find (a) the force constant of the spring, (b) the
frequency of the oscillations, and (c) the maximum speed
of the object. (d) Where does this maximum speed occur?
(e) Find the maximum acceleration of the object. (f) Where
does the maximum acceleration occur? (g) Find the total
energy of the oscillating system. Find (h) the speed and
(i) the acceleration of the object when its position is equal
to 0.4 the maximum value.

A 2.20-kg object is attachedto a spring and placed on frictionless, horizontal surface. Ahorizontal force of 14.0 N isrequired to hold the object at rest when it is pulled 0.200 m fromits equilibrium position (the origin of the x axis). Theobject is now released from rest from this stretched position, andit subsequently undergoes simple harmonic oscillations.

1. Find the force constant of the spring. [N/m]

2. Find the frequency of the oscillations. [Hz]

3. Find the maximum speed/ [m/s]

4. Where does this maximum speed occur? [x = + m]

5. Find the maximum accleration of the object. [m/s^2]

6. Where does this maximum acceleration occur? [x = + m]

7. Find the total energy of this oscillating system.

8. Find the speed of the object when its position is equal toone-third of the maximum value. [m/s]

9. Find the acceleration of the object when its position isequal to one-third of the maximum value. [m/s^2]

A 5.70 kg object on a horizontal frictionless surface is attachedto a spring with spring constant 1020 N/m. The object is displacedfrom equilibrium 50.0 cm horizontally and given an initial velocityof 9.1 m/s back toward the equilibrium position.
(a) What is the frequency of the motion?
Hz

A 5.50 kg object on a horizontal frictionless surface is attachedto a spring with spring constant 1080 N/m. The object is displacedfrom equilibrium 50.0 cm horizontally and given an initial velocityof 11.3 m/s back toward the equilibrium position.
(a) What is the frequency of the motion?
____Hz

(b) What is the initial potential energy of the block-springsystem?
____ J

(c) What is the initial kinetic energy?
_____J

(d) What is the amplitude of the motion?
____m

Three part question:
An object with mass 0.240 kg is acted on by an elastic restoringforce with force constant 10.2 N/m. The object is set intooscillation with an initial potential energy of 0.150 J and aninitial kinetic energy of (6.70×10^-2) J.

I've already found the amplitude to be .206m.

What is the potential energy when the displacement is one-half theamplitude?
At what displacement are the kinetic and potential energiesequal?
What is the value of the phase angle if the initial velocity ispositive and the initial displacement is negative?

AN OBJECT WITH A MASS OF '0.5 kg' has a kinetic energy of '6.25 J'. a) Find the velocity of the object. b) Give the SI units for the following: kinetic energy, friction, displacement, force of gravitation, acceleration due to gravity, and work

16. A block of dry iceweighing 1960 N is lying on a walkway. Thecoeffi cient of frictionof
the walking surface is 0.125. With what force must you push orpullthe block to move it?
A. 1.57 x 104 N
B. 1960 N
C. 245 N
D. 6.38 x 10-5 N
(For this I multiplyed 1960N(which is the Fn or fg) by thecoefficient of friction on thewalking surface which is 0.125)

18. An elevator thatweighs 3.5 x 10³ N is acceleratedupward at 1.0m/s². What force does the cable exert togive it thisacceleration?
A. 357 N
B. 0 N
C. 3500 N
D. 3857 N
(For this quesion I wasreally confused and I guessed that the forceof tension in thecable was what the cable weighed )

19. The acceleration dueto gravity on the Moon is 1/6 of that onEarth. The weight of a 10kg
mass on the Moon is
A. 98 N
B. 60 N
C. 16 N
D. 1.7N
(For this question I divided9.81 by 6 and the multiplyed this by10)

Which of these men formulated the law of universal gravitation?

1. Issac Newton

2. Einstein

3. Galileo

4. Michael Faraday

A particle moves in a circular orbit about the earth and directlyover the equator.
1) Calculate the work done by gravity during one orbit of theparticle about the earth.
2) The particle has a period of 24 hours. Calculate the radius ofthe orbit.
3) The particle has a period of 24 hours. Calculate theacceleration due to gravity at this point without reference toNewton’s Universal law of gravitation.
4) The particle has a period of 24 hours. Calculate theacceleration due to gravity at this point using Newton’s Universallaw of gravitation?
5) What is the angular velocity across the sky as observed by aperson in the Rochester city?

According to the universal law of gravitation, the force due to gravity is

What is the basic explaination of universal gravitation?

What is gravitation? 

Case Study: Revitalization of Neighborhood

Step 1: Your Personal Definition of Revitalization

Revitalization is when . . .

Step 2: Look at the slide show. Choose two different areas of revitalization.  Take notes that answer the questions

Characteristic of Revitalization:

What was changed in the neighborhood that made it better?

Who was in charge of this project, the local government or private companies?

Who benefits from the change?

What is the effect on the community of this project?

Characteristic of Revitalization:

What was changed in the neighborhood that made it better?

Who was in charge of this project, the local government or private companies?

Who benefits from the change?

What is the effect on the community of this project?

CP2: Human Population Growth

[Student Name]    [Class Block/Period]

Student Work: Making Connections

Student Work: Interpreting Population Pyramids

Self-Assessment: Making Connections and Inferences

Level

Rationale - Write a short paragraph justifying the numerical level score you chose using key terms from the rubric and examples from your work.

Self-Assessment: Interpreting Data/Info to Make Valid Claims

Level

Rationale - Write a short paragraph justifying the numerical level score you chose using key terms from the rubric and examples from your work

CP2: Human Population Growth

[Student Name]    [Class Block/Period]

Student Work: Making Connections

Student Work: Interpreting Population Pyramids

Self-Assessment: Making Connections and Inferences

Level

Rationale - Write a short paragraph justifying the numerical level score you chose using key terms from the rubric and examples from your work.

Self-Assessment: Interpreting Data/Info to Make Valid Claims

Level

Rationale - Write a short paragraph justifying the numerical level score you chose using key terms from the rubric and examples from your work.

Checkpoint Directions

Check for Resources and Activities under this checkpoint that will help you complete this checkpoint.

Write a connection between human population growth for each of the 5 environmental issues identified by GIN.  There should be a clear cause and effect relationship identified for each.

Complete the activity in class, Power of Populations.

Choose a selection of population pyramids, global population graphs, and/or the demographic transition graph.  Analyze each and then explain the connections between them.

How many legs did goat 🐐 have?

1. In your own words, summarize a piece of recent real-life news about cyberethics. The summary should be at least 150 words (include the word count and the news URL at the end of the summary).
   
   
   
2. Based on the ACM Code of Ethics and Professional Conduct, explain TWO general ethical principles that can be applied in the above news summary.

4. What was life like in the Industrial Factory? How did it fundamentally change society?

cardboard boxes a lidless box is to be made using 2m^3 of cardboard. find the demisnions of the box with the largest possible volume.

Some scientists are interested in turning the mid-western USinto a large conservation area where they would reintroduce animalsthat simulate the Pleistocene fauna (i.e. elephants, jaguars,tortoises), commonly referred to as “Pleistocene rewilding”. Choosea side (for or against) and defend your position.

Explain your answers, please.

Fire is a common occurrence in prairie grasslands. What do you think would happen to a grassland area if fire were excluded for many decades?

Studies from Plecioscence Park shows that when it 9 megafauna grazers, Horses, European and American bison,raindeer, Sheep, Moose, in total 9 megafauna grazers show that when large megafauna are reintroduce to area there present alter tundra ecology transform tundra into Grasslands. Can these studies prove if Wildlife conservation reintroduce Camel's, bison, horses , and Elephants to the Texas Blackland prairies can their presents help the Texas Blackland prairies ?