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Which of the following objects has the largest kinetic energy? A mass of ______ with a speed of _______.
5kg... 2 m/s
4kg...3
3kg...4
2kg...5
a horizontal rifle is fired at a bulls-eye. the muzzle speed of the bullet is 670 ms. the gun is pointed directly at
A car traveling at a constant speed of 29.0 m/s passes a trooper hidden behind a billboard. How long does it take the trooper to overtake the speeding car
Josh starts his sled at the top of a 2.9m -high hill that has a constant slope of 25 degrees. How far from the base of the hill does he end up
The displacement of an object is given as a function of time by x = 3t2 m. What is the magnitude of the average velocity for t = 3.0s - 0 s
Mabel walks down a straight hall from a bench to the door of her spanish class at a rate of 1.4m/s for 28 s, then she realizes she forgot her folder. Compute Mabel's average speed
The magnitude of the force of friction acting on the block between A and is 1.2N and points A and B are 0.5 m apart. If the kinectic energies of the block at A and B are 4J and 5.6 J, respectively, how much work is done on the block by the force p..
Two identical capacitors are connected in parallel to an acgenerator that has a frequency of 740 Hz and produces a voltage of39 V. What is the capacitance of each capacitor
A popular earring design features a circular piece of gold of diameter D with a circular cut out of diameter d, as shown in the figure. If this earring is to balance at the point P, show that the diameters should satisfy the condition: D = fd, where ..
A 1.15-k? resistor and a 590-mH inductor are connected in series to a 1250-Hz generator with an rms voltage of 13.1V, What is the rms current in the circuit
A boy throws a ball into an open window 10m above his shoulder at 65 degrees with the horizontal. He observes that the ball flies in horizontal. A. What is the initial speed of the ball
A high-voltage power line carries a current of 120A at a location where the Earth's magnetic field has a magnitude of 0.59 G and points to the north, 63 degrees below the horizontal. Find the magnitude of the magnetic force exerted on a 290m length..
While running, a man dissipates about 0.60 Joule of mechanical energy per step per kilogram of body mass. determine how fast is the man running
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