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Question: A bullet of mass 50 g is shot with speed 250 m/s at a wooden block of mass 350 g at rest. The bullet sticks in the block. The coefficient of kinetic friction between the block and the surface is 0.35.
Part A: How much time does it take the block (with bullet in it) to stop after being shot?
Please show your work, so I can understand process. Thank you!
A spiral staircase winds up to the top of a tower in an old castle. To measure the height of the tower, a rope is attached to the top of the tower, What is the height of the tower
Light from an argon laser strikes a diffraction grating that has 5310 grooves per centimeter. The central and first order principal maxima are separated by 0.488 m on a wall 1.72 m from the grating. Determine the wavelength of the laser light.
A star ship approaches its home planet at a speed of 0.1c. When it is 5.4×107km away, it uses its green laser beam (=540nm) to signal its approach. How long does the signal take to travel to the home planet? At what wavelength is the signal detected ..
A cannon tilted up at a 30° angle fires a cannon ball at 65 m/s from atop a 12 m high fortress wall. What is the ball's impact speed on the ground below
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find the magnetic field at the center of a set of helmholtz coils each with radius r0.1m and each carrying a total
The drawing shows a laser beam shining on a plane mirror that isperpendicular to the floor. The beam's angle of incident is37.8°. The beam emerges from the laserat a point that is 1.10 m from the mirror and 1.80 m above the floor.
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when a charged particle moves at an angle of 20deg with respect to a magnetic field it experiences a magnetic force of
violet light and red light travel through air and strike a block of plastic at the same angle of incidence. the angle
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