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Q1. The springs of a 1600 kg car compress 5.0 mm when its 65 kg driver gets into the driver's seat. If the car goes over a bump, what would be frequency of vibrations?
Q2 Assume a 55.0 kg ice-skater, who was initially at rest, fires a 2.50 kg gun. The 0.055 kg bullet leaves the gun at a velocity of 555.0 m/s. What is the velocity of ice-skater after she fires the gun?
A steel ball bearing 7.0 mm in diameter is dropped into a cylinder of glycerin. What is the terminal velocity of the ball bearing
A rock is dropped off the side of a bridge and hits the water below 5.7 s later. What is the height of the bridge above the water
Two small plastic spheres each have a mass of 1.9g and a charge of -60.0nC, By what factor is the electric force on a sphere larger than its weight
A 91 g arrow is fired from a bow whose string exerts an average force of 115 N on the arrow over a distance of 78 cm. Illustrate what is the speed of the arrow as it leaves the bow?
A merry-go-round (carousel) with a moment of inertia of 594 kg·m2, is initially rotating horizontally at 2 rad/s about a frictionless axis through its center.
In a diesel engine, the piston compresses air at 302 K to a volume that is one-sixteenth of the original volume, What is the temperature of the air after the compression
Describe the full annealing heat treatment for a plain carbon steel.
A thin wire is bent into a semicircle, having a radius of curvature equal to 6.40 cm. What is the potential at the center of curvature?
A 65kg person throws a 0.0410 kg snowball forward with a ground speed of 28.0 m/s. A second person, with a mass of 60kg, catches the snowball. Both people are on skates.
A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. Calculate the change in internal energy of the gas
You are pushing a 142 kg wooden crate in a straight line a distance of 5.1 m across a wooden floor. The crate is speeding up at 0.30 m/s^2. What is the work done by friction on the crate
Amtrak's 20th-Century Limited is en route from Chicago to New York at 120km/h, How far was the train from the cow when the engineer first applied the brakes
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