Physics
posted by Ted .
A stone is thrown straight up. To reach a height of 6.49 m above its release point, what must its initial speed be in m/s?

initial KE=final PE
1/2 mv^2=mg(6.49)
solve for v
Respond to this Question
Similar Questions

physics
A ball is thrown vertically upward with an initial speed of 20 m/s. Two seconds later, a stone is thrown vertically (from the same initial height as the ball) with an initial speed of 24 m/s. At what height above the release point … 
physics
a boy throws a stone straight upward with an initial speed of 15 m/s on the surface of the earth. what maximum height above the starting point will the stone reach before falling back down? 
physics
A stone is thrown straight up. To reach a height of 6.74 m above its release point, what must its initial speed be in m/s 
Physics
A stone is dropped from rest from the roof of a 100m high building; 2.00 s after that, a second stone is thrown straight down with initial speed v0, and the second stone passes the first stone 21.6 m above ground. (a) When are the … 
physics
ll is thrown vertically upward with an initial speed of 16 m/s. Then, 0.65 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 27 m/s. How far above the release point will the … 
physics
ll is thrown vertically upward with an initial speed of 16 m/s. Then, 0.65 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 27 m/s. How far above the release point will the … 
physics
A stone is thrown from a 45.1 m cliff with a speed of 5.71 m/s at an angle of 49.5 ยก to the horizontal. (a) What maximum height above the release point does the stone reach? 
Physics
A ball is thrown vertically upward with an initial speed of 11 m/s . Then, 0.67 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 25 m/s . How far above the release point will … 
Physics
A basketball is thrown horizontally with an initial speed of 4.70m/s . A straight line drawn from the release point to the landing point makes an angle of 30.0 ∘ with the horizontal. What was the release height? 
physics
A ball is thrown vertically upward with an initial speed of 25 m/s. Then, 1.8 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 32.1 m/s . How far above the release point will …