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With what initial speed must an arrow be fired straight upward to attain a height of 110 m in 5.4 s?
How high will this arrow reach?
From the top of a cliff, a person uses
a slingshot to fire a pebble straight downward with an initial speed of
9.0 m/s. After 0.50 s, how far down is the pebble?
A baseball is thrown upward with an initial
speed of 35.0 m/s. What is its speed two seconds later?
What is the maximum velocity of an egg
dropped from the top of an 175 m building will reach before it hits the
On my last trip to Mars (where gravity
is 1/2.7 that of Earth), I threw a 4 kg stone in the air with an initial
velocity of 10 m/s and it stayed aloft for a total of 19 seconds.
How high did it go?
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