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Two objects have masses m and 5m, respectively. They both are placed side by side on a frictionless inclined plane and allowed to slide down from rest. Two objects have masses m and 5m, respectively. They both are placed side by side on a frictionless inclined plane and allowed to slide down from rest.

A.The two objects reach the bottom of the incline at the same time.

B.It takes the lighter object 5 times longer to reach the bottom of the incline than the heavier object.

C.It takes the heavier object 10 times longer to reach the bottom of the incline than the lighter object.

D.It takes the heavier object 5 times longer to reach the bottom of the incline than the lighter object.

E.It takes the lighter object 10 times longer to reach the bottom of the incline than the heavier object.

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Sadha
SadhaLv10
6 Dec 2020

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Related textbook solutions

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

Related questions

The drawing shows two boxes resting on frictionless ramps. One boxis relatively light and sits on a steep ramp. The other box isheavier and rests on a ramp that is less steep. The boxes arereleased from rest at A and allowed to slide down the ramps. Thetwo boxes have masses of 15 and 40 kg. If A and B are hA = 4.3 andhB = 1.7 m, respectively, above the ground, determine the speed of(a) the lighter box and (b) the heavier box when each reaches B.(c) What is the ratio of the kinetic energy of the heavier box tothat of the lighter box at B?

(a) vB=
(b) vB=
(c) KE heavier/KE lighter=



The drawing shows two boxes resting on frictionless ramps. One boxis relatively light and sits on a steep ramp. The other box isheavier and rests on a ramp that is less steep. The boxes arereleased from rest at A and allowed to slide down the ramps. Thetwo boxes have masses of 15 and 50 kg. If A and B are hA = 4.3 andhB = 1.4 m, respectively, above the ground, determine the speed of(a) the lighter box and (b) the heavier box when each reaches B.(c) What is the ratio of the kinetic energy of the heavier box tothat of the lighter box at B?

(a) vB = 1 2 ---Select--- N m/s s m m/s^2 W J
(b) vB = 3 4 ---Select--- m/s N m/s^2 m J s W
(c) KE heavier
KE lighter
= 5

1. A block is placed on a plane whose angle of inclination is 30˚. The coefficients of static and kinetic friction for the block on the inclined plane are both 0.2. The block
(A) remains stationary on the inclined plane.
(B) accelerates down the inclined plane.
(C) travels down the inclined plane at a constant velocity.
(D) travels up the inclined plane at a constant velocity.
(E) accelerates up the inclined plane.

2. An object with a mass of 5.5 kg is allowed to slide from rest down an inclined plane. The plane makes an angle of 30˚ with the horizontal and is 72 m long. The coefficient of friction between the plane and the object is 0.35. The speed of the object at the bottom of the plane is?

3. A 5-kg object slides down a frictionless surface inclined at an angle of 30˚ from the horizontal. The total distance moved by the object along the plane is 10 meters. The work done on the object by the normal force of the surface is?

4. A mass m = 2.5 kg is sliding along a frictionless table with initial speed v as shown in the figure. It strikes a coiled spring that has a force constant k = 500 N/m and
compresses it a distance x=5.0 cm. The initial speed v of the block was..?



5. The graph shows how the position of a particle depends on time. Which choice is closest to the instantaneous speed of the particle at t = 3s?
(A) 0.40 m/s
(B) 0.67 m/s
(C) 0.75 m/s
(D) 1.50 m/s
(E) 2.22 m/s



6. Calculate the work done by a force, F = 2x i, along the
path (0, 0) -> P1(2, 0) -> P2(2, 2).



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