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A sphere with constant velocity passes through a photogate. Determine the speed of the sphere as it passes through the photogate. Assume the beam of the photogate is aligned such that the photogate will collect data based on the sphere's diameter. Diameter = 26 mm time from photogate = 0.00749 vf?
An inclined plane is sliding, and accelerating, on a horizontal frictionless surface. What is minimum acceleration of the inclined plane
An unstable atomic nucleus of mass 1.76 10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.12 10-27 kg, calculate the total kinetic energy increase in the process
Two cars of mass 2000 kg and 1000 kg, respectively, collide inelastically. Find the initial speed and direction of the lighter car
A 40 cm long tube has a 40 cm long insert that can be pulled in and out. As the insert is slowly pulled out, What is the frequency of the tuning fork
Steam can cause more serious burns than water at the same temperature. Here we want to examine this effect quantitatively, noting that flesh becomes badly damaged when its temperature reaches 50.0 oC.
A beam of nuclei is used for cancer therapy. Each nucleus has an energy of 108 MeV, How many nuclei are in the beam
The loop, having rotated by 45°, rotates clockwise another 30°, so that the normal to the plane points at an angle of 75° with respect to the direction of the magnetic field. Find the magnetic flux through the loop
An engine has a hot reservoir temperature of 900 K and a cold reservoir temperature of 608 K. What is the efficiency of the engine
a 255 g mass attached to a horizontal spring oscillates at a frequency of 3.70 hz . at t0 s the mass is at x 4.80 cm
question a skier of mass 70kg is pulled up a slope by a motor driven cable. the work required to pul him 60m up a 30
20.0 kg floodlight in a park is supported at the end of ahorizontal beam of negligible mass that is hinged to a pole. find the horizontal and vertical forces exerted on the beam by the pole
A fire truck attaches two fire hoses to a hydrant to fight a fire. each hose has a diameter of 20 cm. How many kilograms of water are put on the fire in 30 minutes
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