A stone is dropped from the edge of a roof. (a) How long does it take to fall 4.9m? (b) How fast does it move at the end of that fall? (c) How fast does it move at the end of 7.9m? (d) What is its acceleration after 1s and after 2 s?

A stone is dropped from the edge of a rood is the following: What is its acceleration after 1s and 2s?

A stone drops from the edge of the roof. It passes a window 2 m high in 0*1 s . How far is the roof above the top of the window?

A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds : (a) What is its average speed ? (b) How far does it travel in 1 second ? (c ) How far does it travel in 6 seconds ? (d) How long does it take to travel 240 m ?

A ball is thrown upward from edge of a cliff with an intial velocity of 8 m/s. How fast is it moving half second later ? (g=10 m/s^(2))

A river flows at 3 m/s and is 300 m wide . A man swing across the rivers with a velocity of 2 m/s directed always perpendicular to the flow of current . (a) How long does it take the man to cross the river ? (b) In what direction does he actually moves to cross the relative to the shore ? (c) How far down the fiver(from the starting point ) does he reach the opposite bank?

A particle is dropped from a tower 180 m high. How long does it take to reach the ground ? What is the velocity when it touches the ground ? Take g=10m//s^(2) .