A20 kg rock is on the edge of a 100 meter cliff. what is the
potential energy of the rock and...
Physics, 06.11.2019 02:31 brittanysanders
A20 kg rock is on the edge of a 100 meter cliff. what is the
potential energy of the rock and if the rock falls off the cliff,
what is its kinetic energy just before striking the ground?
a 361.4 kj
b 1kj. 1 kj
c 19.6 kj, 19.6 kj
d 10 kl. 5.5 ku
Answers: 3
Physics, 21.06.2019 22:30, dawood7068
Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane
Answers: 1
Physics, 22.06.2019 14:40, henryzx900
An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.
Answers: 1