Physics, 23.11.2019 01:31, tylermorse3775
1- a 0.250 kg egg-drop project is at the top of the 14 meter tall stadium. what is the projects potential energy?
2- jason has decided to become a jockey. he and his horse have a combined mass of 550 kg, and they are traveling at 15 m/s when they cross the finish line (in first place ! ) what is their kinetic energy ?
3- a 0.5 kg ball is at the top of a 20 meter tall hill.
a) what is the ball's kinetic energy ?
b) what is the ball's potential energy ?
c) what is the ball's mechanical energy ?
4 - a 2.0 kg toy has been thrown in the air it is 1.5m above the ground and is moving up at 3.0 m/s
a) what is the toy's kinetic energy ?
b) what is the toy's potential energy ?
c) what is the toy's mechanical energy ?
Answers: 3
Physics, 21.06.2019 19:30, ricesonice5
11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?
Answers: 1
Physics, 22.06.2019 14:40, sherlinejules1
You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
Answers: 2
1- a 0.250 kg egg-drop project is at the top of the 14 meter tall stadium. what is the projects pote...
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