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A 24 g bullet strikes a 0.5 kg block attached to a fixed horizontal spring whose spring constant is 6.6 x 103 N/m and sets it into vibration with an amplitude of 20 cm. What was the speed of the bullet before impact if the two objects move together after impact?
A person on a safari wants to take a photograph of a hippopotamus from a distance of 75.1 m. What would be the size of the image if a lens of 50.0-mm focal length were used
an electron is traveling horizontally toward the north in a uniform magnetic field that is directed vertically
An ac series circuit has an impedance of 196 ? , and the phase angle between the current and the voltage of the generator is ? = -72°. The circuit contains a resistor and either a capacitor or an inductor
A 2.70 bucket is attached to a disk-shaped pulley of radius 0.121 and mass 0.842 . If the bucket is allowed to fall. What is the angular acceleration of the pulley
A physics professor wants to demonstrate the large size of the henry unit. On the outside of a14-cm-diameter plastic hollow tube, How many kilometers of copper wire will be required
You have just built a house out in the country and it comes to your attention that you need to install a lightning rod. Being naturally curious you ask a hardware salesperson how lightning rods work and they accurately tell you.
An emf is induced in a conducting loop of wire 1.14m long as its shape is changed from square to circular, Find the average magnitude of the induced emf if the change in shape occurs in 4.23s
A frictionless spring of spring constant 500 N/m has one end attached to a verticalwall and the other end to a block of mass 2.0 kg, Find the amplitude and frequency of oscillation
The team monitoring a space probe exploring the outer solar system finds that radio transmissions from the probe take 1.77 hours to reach earth. How distant (in meters) is the probe
An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. What is the pressure in the narrow section of the pipe
The 12.0V battery (an independent voltage source) of your caris connected in series with the starter motor. What power is absorbed by the motor
A 10 kg block is allowed to slide down a frictional incline for a length of 10 m on an incline of 35. How long is the block in the air
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