Antonina throws a coin straight up from a height of
1
.
2
...
Antonina throws a coin straight up from a height of
1
.
2
m
1.2m1, point, 2, space, m above the water surface in a fountain. the coin strikes the water
1
.
3
s
1.3s1, point, 3, space, s later. we want to know the vertical velocity of the coin at the moment it strikes the water. we can ignore air resistance.
which kinematic formula would be most useful to solve for the target unknown?
Answers: 2
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Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost
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Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n
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