**Question 10**A 1 kg skate rat drops from the top of a 3 m high half-pipe ramp. Ignoring friction, how much Kinetic Energy would s/he have at the lowest point of the ramp?- ○ 100 Joules- ○ 300 Joules- ○ 3 Joules- ○ 30 Joules---**Question 11**Ignoring friction, what would be the velocity of the skate rat in the question above at the lowest point of the ramp?- ○ √60 m/s- ○ √6000 m/s- ○ √3 m/s- ○ √30 m/s---**Question 12**In the real world, the skate rat above would lose some speed/energy due to friction. If it loses 10 Joules of energy while moving from one side of the ramp (where s/he dropped in) to the other side of the half-pipe, how far (in meters) would the skate rat make it up the other side?- [Text box for input]

Given that the mass of the skate rat is m = 1Kg its is drop from 3 m height so its has potential energy Potential energy is given by P = m*g*h where g is a gravity (=10m/s2 ) P = 1*10*3 P = 30J when rats reach at the lowest point its all potential energy convert into kinetic energy so the kinetic energy is also 30J. 11) Kinetic energy is equal to the potential energy at lowest point so 12mv2 = mghv2 = 2ghv = 2*10*3v =60m/s

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A 1 kg skate rat drops from the top of a 3 m high half-pipe ramp. Ignoring friction, how much Kinetic Energy would s/he have at the lowest point of the ramp?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter7: Conservation Of Energy

Section: Chapter Questions

Problem 50P

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