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I need help to solve the given problem:
Problem: A 20 kg box is pushed a crossed the floor. Starting from rest, the speed of the box after 5 seconds is 1.6 m/s.
Part A - What net force acts on the box?
Please show how you obtained the answer.
A dampled harmonic oscillator is made from a 0.8kg mass on a k=14N/m spring with a damping constant of 400g/s, What is the energy of the oscillator after one oscillation
A light spring has an unstretched length of 35.0 cm. If one end is attached to the top of a door frame and a 7.50 kg weight is hung from the other end, the length of the spring is 41.5 cm. What is its spring constant?
A person is holding out his arm horizontally with a 2.50 kilogram weight in his hand. This weight is 60.0 centimeter from the shoulder joint. Estimate the tension in the deltoid muscle
The boom in the crane is free to pivot about point P and is supported by the cable that joins halfway along its 18 m length. the cable passes over a pulley and is anchored at the back of crane. the boom has a mass of 1700 kg, distributed evenly an..
A coin with a diameter of 1.66 cm is dropped onto a horizontal surface. The coin starts out with an initial angular speed of 7.34 rad/s, How far does the coin roll before coming to rest
What is the maximum ramp angle that still allows the crate to remain at rest? (Make sure the coefficient of friction is 0.7.)
You throw a rock vertically upward with an initial speed of 19.9 m/s. How much time does it take for the rock to hit the ground
A rifle has a mass of 4.5kg and it fires a bullet of mass 10.0g at a muzzle speed of 820 m/s. What is the recoil speed of the rifle
A large wooden crate is pushed along a smooth, frictionless surface by a force of 100N. The acceleration of the crate is measured to be 2.5 m/s2. What is the mass of the crate?
A car in stop-and-go traffic starts at rest, moves forward 19 in 8.0 , then comes to rest again. The velocity-versus-time plot for this car is given in the figure. What distance does the car cover in the first 4.0 seconds of it motion?
You are participating in league bowling with your friends. Time after time, you notice that your bowling ball rolls to you without slipping on the flat section of track. What is the magnitude of the angular acceleration of the ball
a 150g block on a frictionless table is firmly attached to one end of a spring with k 30nm . the other end of the
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