03/11/20

Geometry Homework

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

10/22/19

Football physics pearson question

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

10/17/19

Calculate the acceleration of the car in front of you when it brakes

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

04/23/13

Light of wavelength 2400 x 10-10 m in air will become light of wavelength in glass (µ = 1.5) equal to

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

11/07/12

I have a physics question

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?

10/27/12

physics buoyant

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

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