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A golfer imparts a speed of 28.7m/s to a ball, and it travels the maximum possible distance beforelanding on the green. The tee and the green are at the sameelevation.
(a) How much time does the ball spend in the air?
(b) What is the longest "hole in one" that the golfer can make, ifthe ball does not roll when it hits the green?
A machinist turns the power on to a grinding wheel, at rest, at time t=0 s. What is the angular velocity in the time interval from t=0 to t=25s
Regulation tennis balls have a mass of 57.5 g. When dropped from a height of 3.07 m they must rebound to a height of 2.13 m to be acceptable for play
The truck slows down uniformly with an acceleration of 5.60 m/s2 for 4.20 s, making skid marks 62.40 m long that end at the tree. With what speed does truck then strike the tree.
A horizontal spring with a spring constant of 0.5 N/m sits on a frictionless table. what is the magnitude of the acceleration of the mass
A girl is sitting nearthe open window of a train that is moving at a velocity of17.00 m/s to the east. What frequency does the girl now hear
A bug of mass 2.6 g is sitting at the edge of a CD of radius 6.0 cm. what is the angular momentum of the bug
How much power does an automotive battery contain that can furnish 750 Amperes at 12.7 volts for a short period of time
What's the quickest way to approach this problem? A car is traveling at 80 km/h along the highway. A second car is located 1 km behind, but traveling at 100 km/h. How long does it take for the second car to pass the first?
A super ball, made of rubblerlike plastic, is thrown against a hard smooth wall. What is the magnitude of the impulse delivered by the wall
When two unknown resistors are connected in series with a battery, the battery delivers 235 W and carries a total current of 5.00 A. Determine the values of the two resistors
A circuit containing a battery with V = 10.2 V and a resistor R1 = 16.6 ? is shown above. If we replace the wire between points a and b with a second resistor R2 = 26.3 ?, by how much (in A) will the total current through the battery change?
A helicopter is ascending perpendicularly with a speed of 5.02 {rm m/s}. At a height of 115 {rm m} above the Earth, a package is dropped from the window.
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