Question

A stone is projected vertically upward with a speed of 20 m/s.

a. What is its velocity at the end of 2s?
b. What is the height reacted after 2s?
v = Vi - g t
v = 20 - 9.81(2)

h = Vi t - 4.9 t^2
h = 20(2) - 4.9 (4)

Related Questions

a stone is from the top of a tower 300m high and at the same time another stone is projected vertica... A stone of mass 20g is projected vertically upward with a catapult whose rubber has a force constant... a stone is projected vertically upward with a velocity of 20,two seconds later a second stone is sim... A stone of mass 0.7kg is projected vertically upward with a velocity 5m/s. Calculate the height atta...