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A ball of mass 0.196 kg with a velocity of 1.41 m/s meets a ball of mass 0.302 kg with a velocity of -0.393 m/s in a head-on, elastic collision. (a) Find their velocities after the collision. 1f = m/s 2f = m/s (b) Find the velocity of their center of mass before and after the collision. cm, before = m/s cm, after = m/s
A container is filled to a depth of 21.0 cm with water. What is the absolute pressure at the bottom of the container
A vertically positioned charged disk of radius R contains a unfirom positive charge density sigma. Find the expression for the angle theta made between the disk edge and the length L
In April 2010, the worst oil spill until that time occurred when an explosion and fire on the Deepwater Horizon left 11 workers dead and began releasing oil into the Gulf of Mexico.
The equation for the displacement in meters of an object moving in SHM is x(t) = 1.50 cos (4.20t) where t is in seconds. At what time does it first reach the maximum speed
The equation of a transverse wave traveling along a very long string is y = 6.5 sin (0.045 ?x + 6.0 ?t), Determine the amplitude of propagation of the wave
A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). What is the speed at which the satellite travels
A force of 725N accelerates a 325kg object, initially moving 7.50 m/s, What impulse was applied to the object
A 400 g mass is attached to a spring of constant k=16.0 N/m and set into oscillation with amplitude A=25.0 cm, Find the totall mechanical energy E of the oscillator
Descriube what are (a) the period of the motion, and the magnitude of her centripetal acceleration at (b) the highest point and (c) the lowest point?
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 25.2°. Find the dispersion of the slab
A 3.00-kg object is fastened to a light spring, with the intervening cord passing over a pulley. The pulley is frictionless, and its inertia may be neglected.
To determine the specific heat of an object, a student heats it to 100 degrees C in boiling water. If the final temperature is 23.8 degrees, what is the specific heat of the object
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