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A bullet of mass 5g is moving with speed 800 m/s.It hits a log of wood initially at rest of mass 995 g and gets stuck in it? What is their moving speed after the impact?
A proton moves perpendicularly to a uniform magnetic field at 5.0 107 m/s and exhibits an acceleration of 1.0 1013 m/s2 in the +x-direction when its velocity is in the +z-direction. find the magnitude and direction of the field.
A sealed container has a volume V = 0.008 cubic meters and 3 times Avagodro's number of molecules at a temperature T = 20 degrees Celsius. What is the pressure P exerted by the gas on the wall of the container
What was the power of the motor that kept the wheel rotating at 6.5 rev/hr in spite of friction.
A 25 gramme bullet traveling at 197 m/s buries itself in a 6.57 kg pendulum hanging on a 2.56m length on string, which makes the pendulum swing upward in an arc. Determine the horizontal component of the displacement of the pendulum.
A double convex lens has faces of radii 18.0 cm and 20.0 cm. When an object is placed 24.0 cm from the lens, Determine the focal length of the lens
An RC series circuit has R = 71.0 \Omega and C = 550 nF. The series combination is connected across a 250 V (rms), 64 Hz power supply. Find the impedance of the RC combination
A beetle sits at the top of a bicycle wheel and flies away just before it would be squashed. assuming that the wheel turns clockwise, the beetle's angular displacement is π rad, which corresponds to an arc length of 1.2 m. what is the wheel's radi..
in an electrically heated home the temperature of the ground in contact with a concrete basement wall is 12.0 oc. the
Starting from rest, a basketball rolls from the top of a hill to the bottom, reaching a translational speed of 3.60 m/s. Ignore frictional losses. What is the height of the hill?
A 0.700kg block is attached to a spring with spring constant 15.0N/m. What is the amplitude of the subsequent oscillations
A skater of mass 74.5 kg initially moves in a straight line at a speed of 4.80 m/s. what is the skater's final velocity
The windpipe of a typical whooping crane is about 4.5 feet long. What is the lowest resonant frequency of this pipe
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