# physics

posted by .

If a stone is thrown upward at 29.7 m/s, what will be its velocity at a height of 12 meters?

• physics -

Vf^2 = Vo^2 + 2gd,
Vf^2 = (29.7)^2 + 2(-9.8)*12 = 646.89,
Vf = 25.4m/s.

## Similar Questions

1. ### physics

If a stone is thrown upward at 20.5 m/s, what will be its velocity at a height of 12 meters?
2. ### physics

A stone with mass m = 2.3 kg is thrown vertically upward into the air with an initial kinetic energy of 190 J. The drag force acting on the stone throughout its flight is constant, independent of the velocity of the stone, and has …
3. ### civil engineering

A stone (on the edge of the roof) thrown from the top of a building is given an initial velocity of 20.0 m/s straight upward. The building is 50.0 m high, as shown in Fig. 4. Using tA = 0 as the time the stone leaves the throwerâ€™s …
4. ### PHYSICS

A stone is thrown in a vertically upward direction with a velocity of 5 m s -1 . If the acceleration of the stone during its motion is 10 m s-2 in the downward direction, what will be the height attained by the stone and how much time …
5. ### physics

A stone is thrown in vertical upward direction with velocity of 5 m/s. if the acceleration of the stone during it motion is 10 m/s2 in h downward direction, what will be the height attained by the stone and how much time will it take …
6. ### physics

a stone is thrown straight upward and rises to a maximum vertical height of 40.0m. with what velocity was it thrown and how long does it take for the stone to return to the initial level from which it was thrown?
7. ### Physics

From the top of a cliff with 80 m height a stone is thrown vertically and finally hit the surface of ocean. Initial velocity of stone is 40 m/s. Find: (a) time to reach to max height. (b) how high goes from surface of ocean?
8. ### PHYSICS

A stone thrown from the top of a building is given an initial velocity of 40.0 m/s straight upward. The building is 70.0m high, and the stone just misses the edge of the roof on its way down, determine (A) The time at which the stone …
9. ### SCIENCE

A stone thrown from the top of a building is given an initial velocity of 40.0 m/s straight upward. The building is 70.0m high, and the stone just misses the edge of the roof on its way down, determine (A) The time at which the stone …
10. ### Physics

A stone is tossed upward at the moment a ball is dropped from a height of 25 meters. The stone's initial velocity is 25 m/s. At what height will the two meet?

More Similar Questions