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