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A 1055-kg van, stopped at a traffic light, is hit directly in the rear by a 790-kg car traveling with a velocity of +2.15 m/s. Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is the final velocity of each vehicle?
A 2 ton automobile moving with a speed of 60 mph collides with a 10 ton truck at an intersection. find the velocity of the two after the collision
A factory worker pushes a 30kg crate a distance of 4.50 meters along a level floor at constant velocity by pushing it downward at an angle of 30degrees below the horizontal. The coefficient of kinetic friction between the crate and the floor is 0...
A wire loop with an area of 3*10^-2 m^2 is in a magnetic field of 0.23 T directed at an angle of 30 degrees to the plane of the loop, what is the average induced emf in the loop
In a common but dangerous prank, a chair is pulled away as a person is moving downward to sit on it, causing the victim to land hard on the floor.
An electron is observed traveling at a speed of 25.7·106 m/s, How far will the electron travel before coming to a stop
Monochromatic light of wavelength 692 nm is incident on a narrow slit. On a screen 2.81 m away, Calculate the angle of diffraction of the second minimum
With what velocity does the wrench strike the ground. What is magnitude and direction of the boat's acceleration? Enter a positive answer for a direction due west, or a negative answer for a direction due east.
Two microscopes are placed one on top of the other. They are in contact at one end but a hair separates them at the other end. determine the thickness of the hair?
A wave has the following properties: amplitude = 0.208 m, period = 0.687 s, wave speed = 13.7 m/s. The wave is traveling in the -x direction
find the normal force on the car to the highway surface (in N). C) As the car and truck round the curve at 72.9 mi/hr , find the normal force on the truck to the highway surface (in N).
Consider a chain with length 0.9 m and mass per unit length 0.6 kg/m. Suppose it is initially suspended above a table so that the lower, What is the force when one-half of the chain lies on the table
Two moles of an ideal gas undergo a reversible isothermal expansion from 3.25×10-2 to 4.59×10-2 at a temperature of 21.7. what change of entrophy delta s of the gas.
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