exam Maths Puzzle Numerical Ability

A ball is thrown upward from the roof of a building 100 m tall with an initial velocity of 20 m/s.

When will the ball reach a height of 80m?

I would appreciate help with this one. Thank you!

Read Solution (Total 0)

exam Other Question

The volume of a cylinder (think about the volume of a can) is given by V = πr2h where r is the radius of the cylinder and h is the height of the cylinder. Suppose the volu a set of childrens clocks contains three shapes: longs, flats, and cubes. there are 3 times as many longs as cubes, and 30 fewer flats than longs. if there are 600 blocks in all, how many longs are there?

how do i set up this equation?