5. a 0.427 kg baseball is moving at 29.5 m/s when it is caught by a player.
a. find the change in momentum of the ball.
b. if the ball is caught with the mitt held in a stationary position so that the ball stops in 0.248 seconds,
what is the average force exerted on the ball?

answer:

explanation:

gpe = mass x gravity constant x height or… gpe = mgh

where… mass: measured in kilograms (kg)

gravity: gravity constant on earth = 10.00 m/s2

height: measured in meters (m)

gpe: measured in joules (j) or kilojoules (kj)

how do you solve gpe?

gravitational potential energy (gpe) is the energy an object has because of its position above the. ground.

gpe = mass x gravity constant x height or… gpe = mgh.

mass:

note: to earn full marks when solving science word problems, you must show your work:

formula.

example:

given values:

mass = 0.3 kg.

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