Log in
Physics
1
answer
0
watching
96
views
23 Nov 2019


The position of an object is given by x = bt2 - ct, where b = 2.0m/s2 and c = 6.7 m/s. What is the instantaneous velocity of theobject when t =3.4

Watch
1
answer
0
watching
96
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Keith Leannon
Keith LeannonLv2
28 Jun 2019

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share

Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

The position of an object as a function of time is given by x(t)=at^3 - bt^2 + ct -d where a=6.7 , b=3.8 , c=6 and d= 7 .
(a) Find the instantaneous acceleration at = 4.6 s.
(b) Find the average acceleration over the first 4.6 seconds.

A car is stopped at a traffic light. It then travels along astraight road so that its distance from the light is given by x(t)= bt2 - ct3, where b = 2.80 m/s2 and c = 0.150 m/s3.

(a) Calculate the average velocity of the car for the time intervalt = 0 to t = 10.0 s.

(b) Calculate the instantaneous velocity of the car at thefollowing times:
t = 0/t = 5.0 s and 10.0 s (m/s)

(c) How long after starting from rest is the car again at rest? (inseconds)


The position of an object is given by x = bt3 - ct2 + dt. What isthe instantaneous acceleration of the object when t =3.5 s? Assumeb = 4.1 m/s3, c = 2.2 m/s2 and d = 1.7 m/s.

Weekly leaderboard

Home
Homework Help 3,900,000
Physics 110,000
Start filling in the gaps now
Log in