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A volleyball is spiked so that its incoming velocity of +2.94 m/s is changed to an outgoing velocity of -15.3 m/s. The mass of the volleyball is 0.350 kg. What is the magnitude of the impulse that the player applies to the ball?
you need to design a 60.0-hz ac generator that has a maximum emf of 5600 v. the generator is to contain a 170-turn coil
Find the energy absorbed in eV by a hydrogen atom creating the H-alpha absorption feature in the spectrum if the H-alpha wavelength is 656 nm
A toy train rolls around a horizontal 1.0-m-diameter track. The coefficient of rolling friction is 0.10. What is the magnitude of the train’s angular acceleration after it is released?
A power plant having a Carnot efficiency produces 1000 MW ofelectrical power from turbines that take in steam at 600 K, Determine the flow rate of the river
A solid ball encounters a 0.760 m vertical rise on the way back to the ball rack. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 5.90 m/s at the bottom of the rise. Find ..
A trap door, of length and width 2.00 m, is held open at an angle of 65.0° with respect to the floor. what is the torque exerted on the trap door by the rope
A table with smooth horizontal surface is placed in a cabin which moves in a circle of a large radius R. A smooth pulley of small radius is fastened.
It leaves the track horizontally, flies through the air, and subsequently strikes the ground. Elucidate the speed v of the block when it leaves the track?
Calculate the viscosity of a fluid that would allow a pressure drop of 35 kPa over a 5 mlength of 0.75-in. stainless steel sanitary pipe if the fluid is flowing at 0.12 m3/h and has adensity of 1010 kg/m3. Assume laminar flow.
An airline pilot pulls her 12.0 kg rollaboard suitecase alongthe groung with a force of 25.0 N for 10.0 m. The handle she pullsmakes an angle of 36.5 degrees with the horizontal. How much workdoes she do over the ten meter distance?
What is the melting point of the substance? The temp coefficient of the platinum is 0.00392^-1 (c). The resistor was calibrated at a temp of 20(C).
If two successive overtones of a vibrating string are 280 Hzand 350 Hz, what is the frequency of the fundamental
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