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A bullet of mass 6.0g is fired horizontally into a 2.6 kg wooden block atrest on a horizontal surface. The coefficient of kinetic frictionbetween block and surface is 0.26. The bullet comes to rest in theblock, which moves 2.10 m.
(a) What is the speed of the block immediately after the bulletcomes to rest within it?
(b) At what speed is the bullet fired?
A roller-coaster car has a mass of 504 kg when fully loaded with passengers point A, what is the force exerted by the track on the car at this point
A hollow cylinder (hoop) is rolling on a horizontal surface at speed 5.5m/s when it reaches a 11?incline. How far up the incline will it go
The mass m =1 kg is set up as a pendulum of length 0.6m as shown on the diagram. Initially in the position of h = 0.2m above the lowest point, and the pendulum is given initial speed of 1m/s. What is the largest mass M that might be temporarily lifte..
The first ball with a mass of 0.1kg traveling to the right at 3m/s hits a second ball which is stationary with a mass of 0.05kg head on. What is the final velocity of the first ball after the collision?
An aquarium contains a 5-cm layer of water n=1.333 floating on top of carbon tetrachloride. what is the angle of refraction into the air
A loudspeaker of mass 15.0 is suspended a distance of h = 2.30 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30. What is tension in each cable.
In the figure below, a butterfly net is in a uniform electric fieldof magnitude E = 3.0 mN/C.The rim, a circle of radius a = 10 cm, is aligned perpendicular to the field. Thenet contains no net charge. Find the electric flux through the netting.
An oscillating LC circuit consists of a 73.7 mH inductor and a 5.39 ?F capacitor. If the maximum charge on the capacitor is 3.74 ?C, what are the total energy in the circuit
A buzzer generates a sound by vibrating with a frequency of 440 Hz in air. If this buzzer is placed under water, What frequency would a fish hear
The mirrors used in a particular type of laser are 99.99% reflecting. What is the force due to radiation pressure on one of the mirrors
Capacitors C1 = 5.04 uF and C2 = 2.05 uF are charged as a parallel combination across a 286 V battery. Calculate the resulting charge on capacitor C2
An AM radio transmitter broadcasts 47.0 kW of power uniformly in all directions, What is the maximum electric field strength at this distance
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