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When a 0.045 kg golf ball takes off after being hit, its speed is 37 m/s.
A) How much work is done on the ball by the club? (answer in J)
B) Assume that the force of the golf club acts parallel to the motion of the ball and that the club is in contact with the ball for a distance of 0.011 m. Ignore the weight of the ball and determine the average force applied to the ball by the club. (Answer in N)
In the figure below, water flows through a horizontal pipe, and then out into the atmosphere at a speed of v1 = 13 m/s. What is the gauge pressure in the left section of the pipe
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M1 is a spherical mass (43.0 kg) at the origin. M2 is also a spherical mass (17.2 kg) and is located on the x-axis at x = 99.0 m. At what value of x would a 16.5-kg mass experience no net gravitational force due to M1 and M2?
A 1.56m tall student stands before a vertical mirror. She can just see her whole body, from head to toe. How tall is the mirror
During a drive by golfer, the angular velocity of his club is zero at the top of the backswing and 34 rad/s at the bottom of the downswing just before impact with the ball, what is the average angular acceleration of the club
Gamma-ray bursters are objects in the universe that emit pulses of gamma rays with high energies. What is the wavelength of the these gamma rays
A current of 13.9 A flows through an electric heater operating on 120 V. What is the heater's resistance
To appreciate the strength of gravity, calculate the number of steel cables that would be required in the absence of gravity to hold the moon in orbit about the earth.
q1. if you place a 0.0001-c charge halfway between the terminals of a common 9-v battery 5 mm apart what force will
You have an uncharged capacitor (12 x 10-6 F) and a resistor (1000 ohms) connected to a battery of 200 V at time t=0 (the switch is closed at this time). What is the charge on the capacitor at this time
The image produced by a concave mirror is located 27 cm in front of the mirror. How far in front of the mirror is the object located
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