A 2.1 kg rock initially at rest loses 419 J of potential energy while falling to the ground. Assume that air resistance is negligible.
Calculate the kinetic energy that the rock gains while falling.
1x
What is the rock's speed just before it strikes the ground?
m/s
-419
Answers: 2
Another question on Physics
Physics, 21.06.2019 23:30
Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane
Answers: 2
Physics, 22.06.2019 02:30
Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddy’s power rating
Answers: 1
Physics, 22.06.2019 06:00
Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.
Answers: 1
Physics, 22.06.2019 09:30
(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
Answers: 3
You know the right answer?
A 2.1 kg rock initially at rest loses 419 J of potential energy while falling to the ground. Assume...
Questions
Business, 17.07.2019 15:10
Biology, 17.07.2019 15:10
Social Studies, 17.07.2019 15:10
Mathematics, 17.07.2019 15:10
Biology, 17.07.2019 15:10
Biology, 17.07.2019 15:10
Chemistry, 17.07.2019 15:10
Biology, 17.07.2019 15:10
Social Studies, 17.07.2019 15:10
Biology, 17.07.2019 15:10
Chemistry, 17.07.2019 15:10
Mathematics, 17.07.2019 15:10
Biology, 17.07.2019 15:10
History, 17.07.2019 15:10
Business, 17.07.2019 15:10
Social Studies, 17.07.2019 15:10
Biology, 17.07.2019 15:10
