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A volleyball is spiked so that its incoming velocity of +4.0m/s is changed to an outgoing velocity of -21 m/s. The massof the volleyball is 0.35k. What impluse does the player apply tothe ball?
A 12.6 V battery is in series with a resistance of 0.324 Ohms and an inductor. What's the voltage drop across the inductor at this time
A 4µF and 10uF capacitor are connected in series across a potential difference of 40 V. Find the charge on each capaacitor and the potential difference across each
A 0.14- kg block on a wooden table is given a sharp blow with a hammer. The block then slides across the table to a stop. How far does the block go
A flat circular mirror of radius 0.140 m is lying on the floor. Centered above the mirror, at a height of 0.810 m, is a light source. Calculate the diameter of the bright circular spot formed
Initially a wheel rotating about a fixed axis at a constant angular deceleration of 0.9 rad/s2 has an angular velocity of 0 rad/s and an angular position of 7.1 rad. What is the angular position of the wheel
Blue laser pointers are now available. If the blue laser emits 5 mW of light at 473 nm, how many photons per second is it emitting
How much energy does a 100 watt light bulb use in 1 hour? Express your answer in joules Also find how much money it costs if electricity sells for 10 cents per kW-h.
A steel ball of mass M is released from rest at point P. It follows a smooth curved rail to point Q and finally reaches point R with K.E. of 7J. The speed of the ball at point Q is 2MS-1 and the height between point P and the ground is 3m. Then find ..
An LC circuit has capacitance C0 and inductance L. A second LC circuit has capacitance 1/2C0 and inductance 2L, and a third LC circuit has capacitance 2C0 and inductance 1/2L .
A person decides to use an old pair of eyeglasses to make someoptical instruments. What is the maximum angular magnification he can produce
A 1 kg stone is thrown upward from a 20 m building with a vertical velocity of 15 m/s. Compute The velocity at impact with the ground
light with a wavelength range of 145-295 nm shines on a silicon surface in a photoelectric effect apparatus, What is the longest wavelength of the light that will eject electrons from the silicon surface
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