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A 10.7g object moving to the right at 18.3 cm/s makes an elastic head-on collision with a 16.2g object moving in the opposite direction at 28.6 cm/s. What is the velocity of the 16.2g object after the collision?
A 3.10-m-long, 310 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 73.0 kg construction worker stands at the far end of the beam. What is the magnitude of torque abou..
Most of the motion generated by joints in the human body are examples of levers. what force is exerted by the biceps muscle
A model rocket rises with constant acceleration to the height of 3.7, at which point its speed is 25. what was the magnitude of the rocket's acceleration.
The earth orbits the sun in a nearly circular orbit of radius 1.49 x 1011 m. What is the acceleration of the earth
A pendulum of period 2s is released from rest at an inclination of 5 degrees to the (downward) vertical. Find it's subsequent angular position as a function of time
A moon orbits a planet because of the gravitational force between them. Similarly, each body also experiences a tidal force due to gravity. Consider how the magnitude of the tidal force changes as distance between a planet and moon varies.
a parallel-plate capacitor in air has a plate separation ofnbsp1.43nbspcm and a plate area of 25.0 cm2. the plates are
A bucket holding a cartoon character is dangling from a rope above a well from the windlass which raises the bucket from the well. What is the rotational inertia of the windlass
A rubber ball of mass 39.0 g is dropped from a height of 1.80 m onto a floor. The velocity of the ball is reversed by the collision with the floor, What impulse was applied to the ball during the collision
A simple pendulum uses a steel wire as the "string." The length of this wire is 1.5 m at room temperature. What is the change in the period of the pendulum
A 3.00-kg steel ball strikes a massive wall at 10.0 m/s at an angle of 60.0 degrees with the plane of the wall. what is the average force exerted by the wall on the ball
The speed of sound in a different fluid is 1360 m/s. What is the bulk modulus for this fluid? The density of this fluid is 13500 kg/m3
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