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In a typical golf swing, the club is in contact with the ball for about 0.0010 s.
If the 45-g ball acquires a speed of 61m/s , estimate the magnitude of the force exerted by the club on the ball.
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A small sphere of mass m = 6.10 g and charge q1 = 29.2 nC is attached to the end of a string and hangs vertically. A second charge of equal mass and charge q2 = 58.0 nC is located below the first charge a distance d = 2.00 cm below the first charg..
A 990-kg sports car collides into the rear end of a 2100-kg SUV stopped at a red light. The bumpers lock, the brakes are locked, What was the speed sports car at impact
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A spring with spring constant 10N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. What is its the mass of the ball
You and a friend have been given the task of designing a display for the Physics building that will demonstrate the strength of the electric force, calculate the necessary amount of charge on the marble for a reasonable ramp angle of 15 degrees
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An observer sees two spaceships moving in opposite directions, Find the speed of one spaceship relative to the other
Thunder is heard 4.0 sec after the flash of lightning is observed. If the outside temperature is 15 degrees celsius, how far away was the lightning bolt
A 46.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 20.0 m. What is the centripetal acceleration of the child
After 1.86 days, the activity of a sample of an unknown type radioactive material has decreased to 88.8% of the initial activity
What is the range of wavelengths for FM radio (88 MHz to 108 MHz) and AM radio (535 kHz to 1700 kHz)? (answer: for FM: 2.78m to 3.4m, for AM: 176m to 561m)
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