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A car of mass 2200 kg collides with a truck of mass 4800 kg, and just after the collision the car and truck slide along, stuck together. The car's velocity just before the collision was < 31, 0, 0 > m/s, and the truck's velocity just before the collision was < -14, 0, 22 > m/s. (a) What is the velocity of the stuck-together car and truck just after the collision?
A small fly of mass 0.27 grams is caught in a spider's web. The web vibrates predominately with a frequency of 4.50 Hertz. What is the value of the effective spring constant stiffness constant for the web.
A 1.50 multiplied by 103kg car starts from rest and accelerates uniformly to 18.50m/s in 13s. Assume that air resistance remains constant at 400N during this time.
What is the frequency of up and down oscillations of the wheel? Regard wheel as a mass on one end of a spring and regard the body of the car as a fixed support for the other end of the spring.
An elevator accelerates upward at 1 m/s2. When the elevator is moving upward at 2 m/s, a bolt drops from the ceiling which is 2.5 m above the?
A candle is placed 16.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves 7.5 cm farther away from the mirror. Find out the focal length of the convex mirror.
Figure the y-component of the magnetic force acting on a segment of wire of length L = 21.0 cm
The flywheel of an engine has a moment of inertia 2.80 {rm kg} cdot {rm m} ^ {2} about its rotation axis. What is its final kinetic energy.
Suppose that a structure of arbitrary complexity has a number of forces applied to it (at various points) and yet is in static equilibrium. The principle of virtual work allows one to write an equation that relates the applied forces.
The center of a 1.40km diameter spherical pocket of oil is 1.5 km beneath the Earth's surface.Estimate by what percentage directly above the pocket of oil would differ from expected value of g for a uniform Earth? Assume the density of oil is 8.0 ..
A stone with a mass of 0.900 kg is attached to one end of a string 0.900 m long. The string would break if its tension exceeds 60-N. The stone is whirled in a horizontal circle on a frictionless tabletop.
A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown below. After being charged once, plates are disconnected from the battery. define the behavior of the ball.
For this experiment you will require a stand, string, a paper or plastic cup, a nail, a roll of paper towels or similar sized paper, coloured sand, or some other dry powdery product, and a ruler or measuring tape.
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