A student fires a cannonball vertically upwards. The cannonball returns to the
ground after a 4.60s flight. Determine all unknowns and answer the following
questions. Neglect drag and the initial height and horizontal motion of the
cannonball. Use regular metric units (ie. meters).
How long did the cannonball rise?
unit
What was the cannonball's initial speed?
unit
What was the cannonball's maximum height?
unit
V
Answers: 2
Physics, 22.06.2019 12:20
Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
Answers: 1
Physics, 22.06.2019 17:00
Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.
Answers: 3
Physics, 23.06.2019 14:30
Which is true energy cant be created but can disappear into nowhere or energy is able to be transferred from one into another or all moving objects including atoms have potential energy or an arrow stretched back on a bow is an example of kinetic energy
Answers: 1
A student fires a cannonball vertically upwards. The cannonball returns to the
ground after a 4.60s...
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