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An object at rest on a flat, horizontal surface explodes into two fragments, one seven times as massive as the other. The heavier fragment slides 9.00 meter before stopping. Determine how far does the lighter fragment slide? Suppose that both fragments have the same coefficient of kinetic friction.
Suppose a car's standard tires are replaced with tires 1.30 times larger in diameter. Then what will the speedometer reading be? What will be the car's fuel economy in miles per gallon or km/L?
In a belly-flop diving contest, the winter is the driver whomakes the biggest splash upon hitting the water. The size of thesplash depends not only on the drivers style, but also on theamount of kinetic energy that the driver has.
an airplane has a mass of 33500 kg and takes off under the influence of a constant net force of 37500 n. what is the
q1. an elevator cable can withstand a maximum tension of 19500n before breaking. the elevator has a mass of 480 kg and
A gas is compressed at a constant pressure of 0.800 atm from9.00 L to 2.00 L. In the process,400 J of energy leaves the gas by heat. What would be the change in its internal energy
a block is at rest on an inclined plane whose elevation can be varied. the coefficient of static friction is ms 0.42
Approximately how many atoms make up our planet? For simplicity, suppose the average atomic mass of the atoms is 14 . Avogadro's number gives the number of atoms in a mole.
When 2.1 mol of oxygen (O2)gas is heated at constant pressure starting at 0°C, how muchenergy must be added to the gas as heat to quadruple its volume? (The molecules rotate but donot oscillate.)
A .4 kg ball has a velocity of 25 m/s, what is the kinetic energy of the ball & how much work would be required to stop the ball
In a Broadway performance, an 65.2-kg actor swings from a 4.50-m-long cable that is horizontal when he starts. What maximum height do they reach after their upward swing
If the system is stopped, how much hanging mass would be required to bring the rotating mass to the same position.
Imagine that the cannon from Problem #1 is actually firing into a strong wind, What is the final velocity vector of the ball when it lands
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