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A hockey puck slides off the edge of a table with an initial velocity of 20.0 m/s. The height of the table above the ground is 2.00 meter. Determine how far from the edge of the table, measured along the floor, does the puck hit the floor?
A uniform chain with a mass of 1.38 kg per meter of length is coiled on a table. One end is pulled upward at a constant rate of 0.54 m/s. how much force must be applied to the end being raised
A 2.00 m long rope is stretched between two supports with a tension that makes the speed of transverse waves 48.0 m/s. What are the wavelength of the second overtone
A block is sliding to the right up a inclined plane (10 degrees) at an initial speed of 0.5 m/s. The coeffecient of friction is 0.3. how large must the minimum coefficient of static friction be
you are moving into an apartment and take the elevator to the 6th floor. suppose your weight is 663 n and that of your
a subway train starts from rest at a station and accelerates at a rate of 1.54 for 14.2 . it runs at constant speed for
The recovery time of a hot water heater is the time required to heat all the water in the unit to the desired temperature. Suppose that a 52 gal (1.00 gal = 3.79 10-3 m3) unit starts with cold water at 11°C and delivers hot water at 52°C.
While Voyager 2 sent back pictures of Neptune during its historic flyby of that planet in 1989, the spacecraft's radio signals travelled for 4 hours at the speed of light to reach Earth. How far away was the spacecraft.
Two charges, -15 and +3.7 µC, are fixed in place and separated by 2.8 m. (a) At what spot along a line through the charges is the net electric field zero? Locate this spot relative to the positive charge. (Hint: The spot does not necessarily lie b..
A runner sprints around a circular track with circumference 400m. If he completes one lap in 45s, what is his average angular velocity
An RC circuit with C = 44.8 µF and R = 5.8 has a 23 V source in it. With the capacitor initially uncharged, an open switch in the circuit is closed. What is the current in the resistor at that time
a current of 0.307 a through your chest can send your heart into fibrillation ruining the normal rhythm of heartbeat
An astronaut living at a space station is in a constant state of free fall- the only force exerted on her and on the space station is the gravitational force due to the Earth. How can an astronaut determine her mass while on an extended stay in sp..
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