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Two cars approaching each other collide and stick together after the collision. One car has a mass of 1820 kg and a speed of 30 km/h in the positive x direction. The second car has a mass of 1060 kg. After the collision they both move off with a speed of 18 km/h in a direction +37o from the x axis. What was the initial velocity of the second car?
A hockey stick is swung with an average angular acceleration of 1.5 rad/s2. What is an angular velocity of the stick when it strikes the ball at the end of 0.8 second swing.
What is the repulsive electrical force between two protons 4.0×10?15m apart from each other in an atomic nucleus
Two parallel rods are each 0.50 m in length. They are attached at their centers to either end of the spring (spring constant = 150 N/m) that is initially neither stretched nor compressed.
How far from a -6.20 microcoulombs point charge must a 2.30 microcoulombs, Calculate the distance in meters
You have a lens whose focal length is 12.7 cm. You place an object on the axis of the lens at a distance of 6.25 cm from it. How far is the object\'s image from the lens
A movie star catches a reporter shooting pictures of her at home. She claims the reporter was trespassing and to prove her point, How far away from the subject was the reporter standing
A microscope has a 16.8 cm tube length, a 0.64 cm focal length of the objective lens, calculate the microscope's magnification
Determine the power distribution in carrier and sidebands if the transmitted power is 1,000 W and mf = 1.
A 700 kg piston is initially held in place by a removable latch above a vertical cylinder. The cylinder has an area of 0.1 m^2; the volume of the gas within the cylinder is initially 0.1 m^3 at a pressure of 10 bar.
The mass of a discus is 2 kg. The average net torque exerted on the discus was 100 Nm, What was the angular impulse applied to the discus during the throw
Constable Bob inspected skid marks near a traffic accident to determine the acceleration of initial velocity of lawn mower involved in the accident. Bob measured the lawn mower skid marks to be 32 m long. Witnesses said the lawn mower was skiddin..
A cylinder of gas at room temperature (20°C) has a pressure p1. To what temperature in degrees Celsius would the temperature have to be increased for pressure to be 2.7p1.
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