George M.

The radius of a circle is 3 meters. What is the length of a 180 degree arc? In simplest form.

A football is kicked from a point on the ground that is a horizontal distance d from the goalpost. For the attempt to be successful, the ball must clear the crossbar, 10 ft (about 3.05 m) above the... more

You are driving at the speed of 25.1 m/s (56.1591 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes and begins to slow down with the largest deceleration... more

Light of wavelength 2400 x 10-10 m in air will become light of wavelength in glass (μ = 1.5)equal toA. 1600 x 10-10 m B. 7200 x 10-10 m C. 1080 x 10-10 m D. none of these

A soccer ball is kicked vertically from the ground level with a speed of 20m/s. At what height is the gravitational potential energy of the ball maximum?

a styrofoam ball is attached to the bottom of a swimming pool with a nylon cord.  the cord is 1.20 m long and the pool is 3.3 m.  diameter of ball is 46cm. density of styroforam is 0.3 g/cc. find... more