Saturday

April 19, 2014

April 19, 2014

Posted by **luke** on Monday, March 21, 2011 at 7:01pm.

A 0.27 kg ball of dough is thrown straight up into the air with an initial velocity of 12 m/s.

Find the momentum of the ball of dough halfway to its maximum height on the way up.

and

A 61 kg pole-vaulter falls from rest from a height of 6.6 m onto a foam-rubber pad. The pole-vaulter comes to rest 0.30 s after landing on the pad.

Calculate the athlete's velocity just before reaching the pad.

Calculate the constant force exerted on the pole-vaulter due to the collision.

**Related Questions**

physics - A 0.23 kg ball of dough is thrown straight up into the air with an ...

PHYSICS! - A 0.15 kg ball of dough is thrown straight up into the air with an ...

science/physics - A 0.09 kg ball of dough is thrown straight up into the air ...

science/physics - A 0.09 kg ball of dough is thrown straight up into the air ...

Physics - A 0.15 kg ball of dough is thrown straight up into the air with an ...

science - a .17 kg ball of dough is thrown straight up into the air with an ...

Physical Science - Four balls are taken to the top of a building. Ball 1 is ...

physics - A 0.25 kg ball is thrown straight up into the air with an initial ...

Maths - When a ball is thrown up into the air, it makes the shape of a parabola...

math - When a ball is thrown up into the air, it makes the shape of a parabola. ...