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A golfer imparts a speed of 29.3 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation.
(a) How much time does the ball spend in the air?
(b) What is the longest "hole in one" that the golfer can make, if the ball does not roll when it hits the green?
A car moving at 36 m/s passes a stationary police car whose siren has a frequency of 500 hz. What is the change in the frequency (in Hz) heard by an observer
A solid uniform 3.25kg cylinder, 60.0cm in diameter and 12.4cm long, is connected to a 1.50kg weight over two massless frictionless pulleys, How fast is the cylinder turning at this instant
A 0.145- kg baseball traveling 36.10 m/s is stopped in 0.143 s by a catcher's mitt. What is the average acceleration of the ball
In a graphing calculator, there are four AAA batteries, which together provide a potential difference of 1.5 V and a total of 6.0 W·h of energy. what was the average current through the calculator
q1. air is flowing through a rocket nozzle. inside the rocket the air has a density of 5.25kgm3 and a speed of 1.2 ms.
A football is kicked straight up into the air; it hits the ground 3.4 later. With what speed did it leave the kicker's foot
In the conduction equation Q = (kA?T)t/L, the combination of factors kA/L is called the conductance. By what factor can the body adjust the conductance
You are given three capacitors, with capacitances 0.0075 µF, 12000 pF, and 0.029 µF, what is the maximum and the minimum voltage difference would they make when charged to 130 µC
A wire carries a steady current of 2.60 A. A straight section of the wire is 0.750 m long and lies along the y axis within a uniform magnetic field, = 1.40 T. what is the magnetic force on the section of wire
A small plastic ball of mass 5.27 x 10-3 kg and charge +0.118C is suspended from an insulating thread and hangs between the plates of a capacitor, What is the magnitude of the charge on each plate
A disk-shaped space station 175 m in diameter spins uniformly about an axis perpendicular to the plane of the disk through its center. How many rpm (rev/min) must this disk make
A 6.0kg block of aluminum sits on the bottom of a tank of water. How much force does the block exert on the bottom of the tank
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