3. Rotondang pataas, A small car with mass 1810 [kg] travels at constant speed on the inside B of atrack that is a vertical circle with radius 9. 00 [m] (see figure on the right). Thenormal force exerted by the track on the car when it is at the top of the track(point B) is 7.56 x 103 [N]. R = 9.00 [m) А. What is the normal force on the car when it is at the bottom ofthe track (point A)? В. What is the velocity v of the car at point B?

3. Rotondang pataas, A small car with mass 1810 [kg] travels at constant speed on the inside B of atrack that is a vertical circle with radius 9. 00 [m] (see figure on the right). Thenormal force exerted by the track on the car when it is at the top of the track(point B) is 7.56 x 103 [N]. R = 9.00 [m) А. What is the normal force on the car when it is at the bottom ofthe track (point A)? В. What is the velocity v of the car at point B?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter6: Applications Of Newton's Laws

Section: Chapter Questions

Problem 65P: (a) A 22.0-kg child is riding a playground merry-go-round that is rotating at 40.0 rev/mm. What...

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A 5 kg ball is attached to the end of a string is revolving uniformly in a horizontal circle of radius 0.500 m. The ball makes 2.00 revolutions in a second The ball's centripetal force is: O a. 350 N Ob. 395 N Oc. 126 N O d. 200 N
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H.W: In the Boher model of the hydrogen atom an electron moves at 2.19*10'm/s in an orbit of radius 5.29*10" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made each second? Ans. (a)9.06 10"ms (b = 6. 58 - 1015 1/s H.W: A ball is thrown with an initial speed voat an angle e below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point 32m from the base of the building. Find v, and 0 Ans. 8 = -37.32v, = 20. 1m/s