- #1

- 301

- 1

## Homework Statement

Two stones are thrown with the same initial speed at the same instant from the roof of a building. One stone is thrown at an angle of 30 degree above the horizontal; the other is thrown horizontally.(Neglect air resistance.), which of the following is true:

(a)The stones strike the ground at the same time and with equal speeds.

(b)The stones strike the ground at the same time with different speeds.

(c)The stones strike the ground at different times with equal speeds.

(d)The stones strike the ground at different times with different speeds.

## Homework Equations

E=U+K

## The Attempt at a Solution

So I guess the answer is c but I can't explain it. Can anyone help me ?