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A 4.50-g bullet has a muzzle velocity of 300 m/s when fired by a rifle with a weight of 20.0 N.
(a) Determine the recoil speed of the rifle.
(b) If a marksman with a weight of 625 N holds the rifle firmly against his shoulder, determine the recoil speed of the shooter and rifle.
a 120 ohm resistor is in series with a 0.140 h inductor and a 0.500 micro f capacitor.a compute the impedance of the
a certain defibrillator sends 0.12 c of charge through the heart. the capacitor responsible for holding this charge
A 600 grams model rocket is on a cart that is rolling to the right at a speed of 3 meter per second. Find at what horizontal distance left of the loop should you launch
consider a spring that does not obey hookes law very faithfully. one end of the spring is fixed. to keep the spring
The gearshift lever AB for the transmission of a sports car has position vector r whose line of action passes through points A and B. The driver applies the force F to the knob B of the lever to shift gears. Find out the magnitude of the component..
A disk is initially at rest undergoes constant angular acceleration. After accelerating for 3.1 s, te disk hasturned to an angle of 120 degrees. what was the angular acceleration of the disk
A 35.3-m length of copper wire at 20.0°C has a radius of 0.31 mm. If a potential difference of 8.00 V is applied across the length of the wire, determine the current in the wire
as 771.0 kg copper bar is put into a smelter for melting. the initial temperature of the copper is 300.0 k. how much
A pair of long rods, each of length L and mass M are connected to a hoop of mass M and radius L/2 to form a 4-spoked wheel. Determine the instantaneous velocity of the mass after the wheel has turned one revolution
A building is about 336 meter high. Determine by energy considerations the kinetic energy of a 10 kg object after it has fallen 100 meter from this building
A satellite of mass 6000 kg orbits the Earth in a circular orbit of radius of 9.0*10^6 m (this is above the Earth's atmosphere). Using the momentum principle, find the speed of the satellite in orbit
A crate that weighs 20 Newton starts from rest and slides down a rough 5.0 meter long ramp, Inclined at 25o with the horizontal. Obtain what is the Kinetic Friction Force on the crate
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