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A tennis ball with a mass of 175.0 grams moves with a speed of 15.75 m/s towards all. the ball rebounds with a speed of 12.99 m/s after being in contact with the wall 71.99 ms, find the force that acted on the ball.
A large capacitance of 1.20 mF is needed for a certain application. Find the maximum charge that can be stored
we have a container of 1.89 moles of an ideal monatomic gas. the volume of the container is 15.0 liters and the
it is believed that a large electric fish known as torpedo occidentalis uses electricity to shock its victims. a
A non-relativistic electron and a non-relativistic proton, of rest masses me and mp, have equal kinetic energies. What is the ratio of the de Broglie wavelength of the electron, le, to that of the proton, lp? Get an algebraic, rather than numerical, ..
The coefficient of static and kinetic frictions between a 3 kg box and a desk are .4 and .3 respectively. What is the net force on the box when a 10 N horizontal force is applied to the box
You throw a 1kg ball out of a window 12 m above the ground. It lands 5 m from the building after 1 s. ignore air resistance, How fast was it traveling when it hit the ground
In a classroom demonstration, a 79.2-kg physics professor lies on a "bed of nails." what is the average pressure at each contact
high above the surface of the earth charged particles such as electrons and protons can become trapped in the earths
A 7.9cm diameter horizontal pipe gradually narrows to 5.3cm . When water flows through this pipe at a certain rate, compute the volume rate of flow
A parallel-plate capacitor is formed from two 5.9cm-diameter electrodes spaced 1.0mm apart. The electric field strength inside the capacitor is 3.0×106 N/C. What is the charge (in nC) on each electrode
A golf ball of mass 0.045 kg is hit off the tee at a speed of 32m/s. Find the average force exerted on the ball by the golf club
A diffraction grating 23.0 mm wide has 5780 rulings. Find the angle at which the first intensity maxima occurs if the incident radiation has a wavelength of 585.0 nm
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