Posted by britney on Monday, November 2, 2009 at 6:07pm.
How fast must a 1,000 kg car be moving to have a kinetic energy of: (a) 2.0 x 10^3, (b) 2.0 x 10^5, (c) 1.0 kW x h?
How high would you have to lift a 1,000 kg car to give it a potential energy of: (a) 2.0 x 10^3, (b) 2.0 x 10^5, (c) 1.0 kW x h?

11th grade Physical Science  bobpursley, Monday, November 2, 2009 at 6:14pm
1/2 m v^2=Ke
v= sqrt 2KE/m
PE=mgh
h= PE/mg

11th grade Physical Science  Anonymous, Wednesday, November 11, 2009 at 8:40am
klngh

11th grade Physical Science  rose, Sunday, November 15, 2009 at 1:54pm
A 2kg block rests on a wall that is 3 m tall. What is the gravitational potential energy of the block? The force of gravity on Earth (g) is equal to 9.8 m/s2.
Answer This Question
Related Questions
 physics  on the road with Kate. If she is driving a 2500kg car going 75km/h a)...
 science  1. How much potential energy does a 5kg block have if it is 2m above ...
 PHYSICS! are these correct?  How much kinetic energy does a 700gram baseball ...
 Physical Science  What is the kinetic energy of a 1850 kg car that is traveling...
 Physical Science  Can someone please check these answers for me? Write T for ...
 science  A 4kg block is sitting on the floor. (a) How much potential energy ...
 PHYSICS  Kinetic Energy and the Work/Energy Theorem: 1.) How much kinetic ...
 Physics  A car is traveling at 14 m/s. How fast would the car need to go to ...
 Physics ~please help me!  1.) A car (m=1200 kg) moves form 2.0 m/s to 15.0 m/s ...
 Physics  A) What is the kinetic energy of a 1200kg car traveling at a speed of ...
More Related Questions