5- A block slides down a frictionless inclined ramp. If the ramp angle is 13.0° and its length is 30.0 m, find the speed

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5 A Block Slides Down A Frictionless Inclined Ramp If The Ramp Angle Is 13 0 And Its Length Is 30 0 M Find The Speed 1 (167.95 KiB) Viewed 45 times

5- A block slides down a frictionless inclined ramp. If the ramp angle is 13.0° and its length is 30.0 m, find the speed of the block as it reaches the bottom of the ramp, assuming it started sliding from rest at the top. A) 13.1 m/s B) 11.5 m/s C) 12.3 m/s D) 13.8 m/s E) 14.5 m/s 6- In a collision between two objects having unequal masses, how does magnitude of the impulse imparted to the lighter object by the heavier one compare with the magnitude of the impulse imparted to the heavier object by the lighter one? A) The lighter object receives a larger impulse. B) The heavier object receives a larger impulse. C) The answer depends on the ratio of the masses. D) The answer depends on the ratio of the speeds. E) Both objects receive the same impulse. 7- When you ride a bicycle, in what direction is the angular velocity of the wheels? A) to your left B) to your right C) forwards D) backwards E) up 8- = A uniform solid sphere has a moment of inertia / about an axis tangent to its surface. What is the moment of inertia of this sphere about an axis through its center? Icm = {MR2 A) 1/71 B) 3/5 1 C) 2/5 1 D) 2/71 E) 7/51 9- = A solid, uniform sphere of mass 2.0 kg and radius 1.1 m rolls from rest without slipping down an inclined plane of height 7.0 m. What is the angular velocity of the sphere at the bottom of the inclined plane? ICM = {MR? A) 7.6 rad/s B) 6.6 rad/s C) 5.2 rad/s D) 5.8 rad/s E) 9.0 rad/s