physics

In the ideal case of zero resistance, a ball rolling on a level surface will accelerate

1. 0
2. 0
3. 9
asked by brenda
1. That is false.

1. 0
2. 0
posted by drwls
2. False.

It will not accelerate because the extra kinetic energy has to come from somewhere. On a level surface, the gravitational potential energy does not change.

However, it will not decelerate, because no energy is dissipated, apart from air resistance, which I assume is neglected.

1. 0
2. 0
posted by MathMate

Similar Questions

1. Physics

A 2.5kg solid homogenous ball is rolling without slipping at 3.0 meters per second to the right on a level surface. The diameter of the ball is 80 centimeters. What is the total kinetic energy of the ball? Can someone give me the

asked by Robert on February 24, 2014
2. physics

A 2.5kg solid homogenous ball is rolling without slipping at 3.0 meters per second to the right on a level surface. The diameter of the ball is 80 centimeters. What is the total kinetic energy of the ball? Can someone give me the

asked by Robert on February 24, 2014
3. physics

A 1.2 kg ball is rolling down a friction free ramp at 21 m/s just before it hits level ground. How high was the ball when it started rolling?

asked by Lisa on October 27, 2011
4. physics

A 1.2 kg ball is rolling down a friction free ramp at 21 m/s just before it hits level ground. How high was the ball when it started rolling?

asked by Lisa on October 27, 2011
5. Solar Energy Help ASAP

Below you see a plot of an ideal and a non-ideal JV curve. Based on this plot and assuming an irradiance of 1000W/m2, give approximately the numerical values to the questions bellow: I. Estimate the ideal Fill Factor (in %): II.

asked by Anonymous on October 17, 2013
6. Physics

A bowling ball of mass 7.45 kg is rolling at 2.56 m/s along a level surface. (a) Calculate the ball's translational kinetic energy. J (b) Calculate the ball's rotational kinetic energy. J (c) Calculate the ball's total kinetic

asked by Yesica on March 6, 2015
7. physics

A bowling ball of mass 7.45 kg is rolling at 2.56 m/s along a level surface. (a) Calculate the ball's translational kinetic energy. J (b) Calculate the ball's rotational kinetic energy. J (c) Calculate the ball's total kinetic

asked by alba on March 20, 2015
8. physics

A bowling ball of mass 7.45 kg is rolling at 2.56 m/s along a level surface. (a) Calculate the ball's translational kinetic energy. J (b) Calculate the ball's rotational kinetic energy. J (c) Calculate the ball's total kinetic

asked by alba on March 6, 2015
9. Physics

A 50.0 Kg ball rolling at 10.0 m/s eastward (on a frictionless surface) collides with a 20.0 Kg ball rolling westward at 20.0 m/s. After the collision the two balls stick together (coalesce). What is the momentum after the

asked by Erika on November 14, 2012
10. physics

A ramp causes a ball to accelerate at - 4 m/s the ball is rolled up the ramp at 13 m/s find the ball velocity after rolling for 6 seconds you must show your work

asked by lisa on May 3, 2012

More Similar Questions