An iron bar of mass 055 kg slides down a frictionless
An iron bar of mass, 0.55 kg, slides down a frictionless incline 0.41 m high. At the bottom of the incline it collides and sticks to a magnet of mass, 0.74 kg. What is the speed of the combined masses after collision?
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A cryogenic storage container holds liquid helium, which boils at 4.2 K. Suppose a student painted the outer shell of the container black, Determine the rate of heat loss due to radiation
The discharge from a sugar beet plant causes the DO at the critical point to fall to 4.0 mg/L. The stream has a negligible BOD and the initial deficit after the river and wastewater have mixed is zero.
A skateboarder shoots off a ramp with a velocity of 6.9 m/s, directed at an angle of 56 ° above the horizontal. The end of the ramp is 1.1 m above the ground. how far is this point horizontally from the end of the ramp
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An iron bar of mass, 0.55 kg, slides down a frictionless incline 0.41 m high. What is the speed of the combined masses after collision
A very thin sheet of glass (n=1.5) floats on the surface of water (n=1.33). When illuminated with white light at normal incidence, What is the thickness of the glass
The car weights 2450 lb, the mechanical efficiency of the drivetrain is 90%, and the wheel radius is 14 inches. The base engine develops 200 ft-lb of torque, and a modified version of the engine develops 240 ft-lb of torque.
A crate of potatoes of mass 8.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are μs = 0.72 and μk = 0.43. Find the frictional force (magnitude and direction) on the crate if the crate is sl
A signal approach has 20 seconds of displayed green, 4 seconds of yellow, and 3 seconds of all red (assume typical start-up, lost time, and clearance time). The cycle length is 60 seconds.
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