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A golf ball with mass 45.90 g and diameter 42.60 mm is struck such that it is moving with a speed of 51.93 m/s and rotating at with an angular frequency of 2877 rpm. What is the kinetic energy of the golf ball?
A 10,000 kg railroad car is rolling at 2 m/s when a 4000 kg load of gravel is suddenly dumped in, What is the railroad car's speed
A small airplane has a mass of 2500 kg and is flying at a speed of 100. m/s at a height of 340 m above the ground. Determine the kinematic energy of the airplane while it is flying
If a cube of a certain metal increases its volume from 15 cm3 to 17 cm3 as the temperature increases from 12°C to 28°C
A 15 kg box is being pushed across the floor at 1.7 m/s to the right. When the pushing force is removed, find the frictional force exerted on the box by the floor
You wish to design a velocity selector that will allow protons to pass through only if they have a speed of 500 m/s, You decide to produce this electric field using a parallel-plate capacitor with a plate spacing of 1.0 mm. What is the electric pote..
A container of hot water at 80 degrees cools to 79 degrees in 15 seconds while it is placed in a room that is t 20 degrees. Use newton's law of cooling to estimate the time it will take for the container to cool from 50 degrees to 49 degrees.
Suppose an ideal monatomic gas at an initial temperature of 475 K is compressed from 3.20 L to 2.15 L while its pressure remains constant at 1.01 105 Pa. Find the work done on the gas.
You're burning calories by weight lifting. You lift a 65kg barbell and 1.8m and repeat 15 times. How much energy in Cal do you expend
What is the gravitational potential energy of an interstellar cloud, with a density of 1000 H2 molecules/cm3, and radius of 10 pc
must include free body diagrams with applications of newton's 2nd law 1) a 3.0 kg ball is attached to two pieces of string, compute the tension in the upper string
The normal airflow over the Rocky Mountains is west to east. The air loses much of its moisture content and is chilled as it climbs the western side of the mountains. What is its temperature at the end of the descent
An electron has an initial velocity of 5.00 106 m/s in a uniform 3.00 105 N/C strength electric field. What is the direction of the electric field
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