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A 32.0 kg hammer strikes a steel spike 2.70 cm in diameter while moving with speed of 24.0 m/s. The hammer rebounds with speed 11.0 m/s after 0.110 s. What is an average strain in the spike all through the impact.
When chasing a hare along a flat stretch of ground, a greyhound leaps into the air at a speed of 14.0 m/s, at an angle of 30.0° above the horizontal. What is the range of his leap
Assume an inductor is contracted of copper wire of length 50m that has a cross-sectional area of 7 x 10-2m2 . (Copper has a resistivity of 2 x10-8 Ω.m ) What is the resistance of this inductor?
A hot piece of copper (cc = 386J/kg·K) of mass mc = 3kg and unknown initial temperature Tc is dropped into a container of water (cw = 4186 J/kg · K) of mass mw = 1 kg, What is the initial temperature Tc of the copper
A solid cylinder rolls down an incline plane without slipping. If the center of mass of the cylinder has a linear acceleration of 2.67 m/s2
A merry-go-round is stationary. A dog is running on the ground just outside its circumference, moving with a constant angular speed of 0.775 rad/s. At what time will the dog reach the bone
A blue car with mass mc = 480.0 kg is moving east with a speed of vc = 23.0 m/s, obtain the magnitude of the initial momentum of the car
A car travels due east with a speed of 48.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. Find the velocity of the rain with respect to the car
An electron is projected vertically upward with a speed of 1.65x10^6 m/s into a uniform magnetic field of 0.160 T that is directed horizontally away from the observer. What would the radius of the circle be.
A man is to be released from rest on a swing pulled away from the vertical by an angle of 22.1 degree. Determine the maximum weight the man can have and not break the ropes
Two small plastic spheres are given positive electrical charges. When they are 18.0cm apart, the repulsive force between them has magnitude 0.300 N. find the charge on each sphere if the two charges are equal
Rams quarterback Sam Bradford throws a 27 yard pass, launching the football at an angle of 38 degrees. With what speed did he throw the ball
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