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A 50g ball of clay traveling at speed 6.5m/s hits and sticks to a 1.0 kg block sitting at rest on a frictionless surface.What is the speed of the block after the collision?The mechanical energy isnot conserved in this collision. What percentage of the ball's initial energy is "lost"?
In exercise physiology studies it is sometimes important to determine the location of a person's center of mass. How far from the woman's feet is her center of mass
You power a series R-L-C circuit with a sine-wave generator operating at a frequency 1.00 kHz. What is the rms voltage supplied by the source
A Carnot engine is operated between a hot and a cold reservoir. find the temperature of the cold reservoir
A laser produces an average power of 5.5 W in a light beam 1.0 mm in diameter. Find the peak electric field of the laser light
A rope having a total mass of 0.4 kg and total length of 4 m has a 0.6 m of the rope hanging vertically down off a work bench. Explain how much work must be done to place all the rope on the bench?
A small airplane flies with a speed relative to the ground (ground speed) of 212.0 km/h in a direction 19.0 degrees to the east of north. what is the speed of the wind
A disk rotates 33.5 times in 75 seconds. What is its period and frequency
A motor has coils with a resistance of 26 Ω and operates froma voltage of 240 V. When the motor is operating at its maximumspeed, the back emf is 111V.
q1. assume acceleration is constant during each time interval but not necessarily the same in both intervals what
Calculate the acceleration of the arrow in the bow.
what is the electric potential energy of an electron at the negative end of the cable relative to the positive end of
Why three points? Would two have been enough? Describe what changes would occur, if any, in the electric field pattern and in the equipotential curve you measured if the magnitudes of your three charges were increased, all by the same factor.
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