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Solve the following problem:
Problem: With what minimum speed must you toss a 160g ball straight up to hit the 13m -high roof of the gymnasium if you release the ball 1.4m above the ground? Solve this problem using energy.
Part A: With what speed does the ball hit the ground?
I need help to find with what speed the ball hits the ground.
The coefficient of kinetic friction between the floor and a suitcase is 0.272. determine how far can it be pushed across the level floor with 642 J of work
how to Calculate the acceleration of the system. Assume the magnitude of the acceleration is the same during starting and stopping.
The New England Merchants Bank Building in Boston is 152 m high. What is the total distance, side to side, that the top of the building moves during such an oscillation
A long current-carrying wire threads a rectangular conducting loop. The current in the wire decays in time t according to I = I0e-Kt with K > 0 constant. find the emf induced in the rectangular loop.
What is an electric field between the plates? Towards which plate is it directed.
all spiders have special organs that make them exquisitely sensitive to vibrations. web spiders detect vibrations of
A 65-g ice cube at 0°C is placed in 665 g of water at 30°C. What is the final temperature of the mixture? °C, What is the final temperature of the water after the ice has melted
At the bottom of the sea a small hole developed at the body of a submarine. at what speed the water is entering into submarine
A 100 g ball attached to a spring with spring constant 2.50N/m oscillates horizontally on a frictionless table. Its velocityis 20.0 cm/s when x = -5.00 cm. What is the amplitude of oscillation?
Two skaters, a man and a woman, are standing on ice. Neglect anyfriction between the skate blades and the ice. The mass of the manis 95 kg, and the mass of the woman is 63 kg. The woman pushes onthe man with a force of 55 N due east.
A 24 rifle bullet travelling 260 buries itself in a 3.10 pendulum hanging on a 2.9 long string, which makes the pendulum swing upward in an arc. Resolve the vertical and horizontal components of the pendulum's displacement.
By means of a rope whose mass is negligible, two blocks are suspended over a pulley, as the drawing shows, with m1 = 12.2 kg and m2 = 42.8 kg. find the mass of the pulley
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