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In the late nineteenth century one type of artillery was a heavy metal gun that had a mass of roughly 1 x103 kg and could fire an 8 kg shell. If the explosive can give the shell the speed 80 m/s, then what is the speed of the recoiling gun?
a ball is thrown at an angle of 30 degrees with an initial velocity of 20 ms at an elevation of 10 m. how long will it
A huge explosion is heard 26.2 miles away. How long does it take the sound to travel that far
what is the bee's speed at once afterward.
Some sliding rocks approach the base of a hill with a speed of 15.0m/s . The hill rises at 42.0? above the horizontal, Find the acceleration of the rocks as they slide up the hill
A satellite moves around the earth in a circular orbit at a constant speed of 5000m/s. find the radius of the orbit
Megan's mass is 28kg. She climbs the 4.8m ladder of a slide and reaches a velocity of 3.2m/s at the bottom of the slide. How much work was done by friction on Megan? Assume that air resistance is negligible.
A uniform 3.15-kg rope 25.6 m long lies on the ground at the top of a vertical cliff. What was the change in potential energy of the rope during this maneuver
The parallel metal plate of a capacitor is detached by a distance of 0.5cm and is connected to a 90v battery. Find the electric field between them and surface charge density on the plate.
You're driving down the highway late one night at 18 - {rm m}/{rm s} when a deer steps onto the road 45 -{rm m} in front of you. Your reaction time before stepping on the brakes is 0.50- {rm s}, and the maximum deceleration of your car is 11 {rm m..
Pitman Co's tax rate is 40% for 2013 an all future years. At the end of 2013, the following deferred tax account and balance that should be reported on Pitman's balance sheet is?
A spring with a spring constant of 1.5 * 10^2 N/m is attached to a 1.4 kg mass and then set in motion. What is the period of the mass-spring system
an ideal gas occupies a volume of 1.0 cm at 20 degrees C, and atmospheric pressure. Determine the number of molecules of gas in the container
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