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A golf ball of mass 0.045 kg is hit off the tee at a speed of45 m/s. The golf club was in contact with the ball for 5.0 x10-3 s. Find
(a) the impulse imparted to the golf ball,and
(b) the average force exerted on the ball by the golfclub.
A 1000kg car moving 40m/s skids to a stop. During the skid, the only force is the frictional force between the tires and the road, which is 6000N. Use work and energy to find the distance the car moves before coming to a stop.
The current in a 90.0-mH inductor changes with time as I = 1.00t2 %u2013 6.00t (in SI units). At what time is the emf zero
A 10 ohm resistor, a 12.0 microfarad capacitor, and a 17.0 mH inductor are connected in series with a 155 V generator. =At what frequency is the current a maximum
An ac generator has a frequency of 6.5 kHz and a voltage of 35 V. When an inductor is connected between the terminals of this generator, What is the inductance of the inductor
A person can focus clearly only on objects between 37.5cmand 51.0cm from his eyes. Find the powers of the correcting contact lenses needed to correct his closeup vision and distant vision
A basketball player makes a jump shot. The 0.700-kg ball isreleased at a height of 1.80 m above the floor with a speed of 7.00m/s. What is the work done on the ball by air resistance
What is the critical angle for light at the glass-liquid interface when the glass with n = 1.54 is immersed in water
A 1.0 mCi source of Phosphorus called P-32, a beta emitter, is imlanted in a tumor where it is to administer 36 Gy. The half-life is 14.3 days and 1 mCi delivers about 10 mGy/min/ Approximately how long should the source remain implanted?
Illustrate what are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and the ice.
A baseball player hits a triple and ends up on third base. A baseball "diamond" is a square, What is the magnitude of his displacement
A child with a mass of 55 kg is riding on a merry-go-round. If the child has a speed of 3 m/s, what is the child's angular momentum
A person carries a long pole of mass 10kg and length 3.40 m at the angle of 60 degrees. Find the magnitude of the torque on the pole by reason of gravity.
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