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To warm up for a match, a tennis player hits the 56.0 ball vertically with her racket. If the ball is stationary just before it is hit and goes 5.50 high, what impulse did she impart to it?
An Indy car with a speed of 125km/h goes around a level, circular track with a radius of 1.3km. What is the centripetal acceleration of the car.
questiona 1000-kg car moves at an utmost speed so that it does not skid off the 50-m radius level track. if coefficient
A player passes a basketball to another player who catches it at the same level from which it was thrown. The initial speed of the ball is 8.1 m/s, What was the initial direction of the ball
A seagull flies with a velocity of 12.5 m/s straight into the wind. (ie.. this the velocity of the gull relative to the wind), Calculate the speed of the wind
When red light in a vacuum is incident at the Brewster angle on a certain type of glass, the angle of refraction is 29.2°. What is the Brewster angle
find the velocity and position of the particle asthe moment it reaches it's maximum x coordinate.
A starship is exploring a new star system. The ship is a light-minutes away from the star, which has a radius of 106km. The intensity at the location of the starship is 240 W/m^2.
An old hunting weapon was a rock on the end of a string. The hunter would swing the rock in horzontal circles and then throw it. If the rock had a mass of 2 kg and the 2 m long string breaks when the tension is 60N.
A .060-kg tennis ball, initially moving 5.50 m/s, has a head on collision with a .090-kg ball initially moving in the same direction, determine the Speed and direction of each ball after collision
Suppose that the light is incident at right angles to the film. what is the minimum distance from the slits to the screen when 580 nm light is used.
A body of mass 200 g is acted upon by a force of 20 n. Find the acceleration of the body. If the body above is having a volume of 1000 cm3 estimate its density in kg/m2.
At what angle of incidence will green light (g = 560 nm) be most strongly reflected? Imagine the film has the minimum thickness that can produce these reflections.
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