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You stick two blocks together with Velcro. The manufacturer rated the Velcro as needing a force of 50N to separate the side you are using when applied to solid surfaces. You set up the connected blocks so that the top of one is attached to the end of a vertical spring. The blocks each have a mass m = 0.75kg, and the spring constant is k = 1200N/m. Find the maximum possible amplitude of oscillation at which the blocks will hold together.
A softball of mass 0.220kg that is moving with a speed of 8.5m/s collides head-on and elastically with another ball initially at rest. Calculate the velocity of the target ball after the collision
on a frictionless horizontal surface a 1.50 kg mass traveling at 3.50 m/s collides with and sticks to a 3.00 kg mass that is intially at rest. What will be the maximum compression of the spring
An 18 g rifle bullet travelling 210 m/s buries itself in a 3.6 kg pendulum hanging on a 2.7 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of pendulum's displacement.
Weak background noises from a room set up the fundamental standing wave in a cardboard tube length of 67.0 cm with two open ends. what fundamental frequency do you hear from the tube
A 565 N mountain climber moves across a rope strung across a canyon. When she is more than halfway across, What are the tensions in the rope in front and behind her
A 196-g aluminum calorimeter contains 612 g of water at 21° C. A 96-g piece of ice cooled to -21° C is placed in the calorimeter, Find the final temperature of the system, assuming no heat is transferred to or from the system
A race car travels with a constant tangential speed of 82.4 m/s around a circular track of radius 645 m. Find the magnitude of the total acceleration
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1230 Hz. The bird-watcher, however, hears a frequency of 1260 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
A student sits on a rotating stool holding two 4.0-kg objects. When his arms are extended horizontally, Find the new angular speed of the student
A 0.504 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
A proton is released from rest inside a region of constant, uniform electric field E1 pointing due North. 27.3 seconds after it is released, What is the ratio of the magnitude of E2 to the magnitude of E1
A light ray goes through two thick rectangular slabs of glass, each of the same uniform thickness. The first slab has index of refraction n1 and the second n2. If n1
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