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A child throws a ball to his sister who is 20.00 meter away, the ball reaches its maximum height 1.50s
(i) Calculate with what velocity was the ball thrown?
(ii) Calculate the velocity of the ball just before it was caught?
Consider a tiny bead of mass 10-6 g on a short wire of length 10-6 m as equivalent to the quantum model of ‘particle in a box
an alien spaceship traveling at a constant velocity of 13 in the x direction passes the earth call this event a at time
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A recantangular block of wood floats in a calm lake. Show, if friction is ignored, determine an equation for the force constant
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A horizontal vinyl record of radius0.14m rotates about a vertical axis through its center with an angular speed of 4.7 rad/s. What is the angular speed of the record immediately after the putty sticks to it
federal statute requires that a car's bumper be designed to withstand a 2.50 mph (1.12m/s) collision with an immovable object without damage to the body of the car. Calculate the average force on a bumper
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A stationary motion detector sends sound waves of 0.7 MHztoward a truck approaching at a speed of 55.0 m/s. What is the frequency of the waves reflected back to the detector
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