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a golf ball of mass .05 kg is at rest on the tee and has a velocity of 102 m/s immediately after being struck. if the club and ball were in contact for 0.74 ms, what is the average force exerted on the ball?
Find the maximum altitude reached by the rocket.Find its total time of flight.
An electromagnetic wave has an electric field strength of 145 V/m at a point P in space at time t. What is the electric field energy density at P
A meat baster consists of a squeeze bulb attached to a plastic tube. When the bulb is squeezed and released, find the absolute pressure PB in the bulb
the planet mars requires 2.35 years to orbit the sun which has a mass of 2 times 1030 kg in an almost circular
The energy provided each hour by heat to the turbine in an electric power plant is 9.5 x 10^12 J. If 6.5 x 10^12 J of energy is exhausted each hour from the engine as heat
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
questiona the proton-proton chain efficiently converts hydrogen into helium according to 4h rarr4 he. a helium 4
a man sitting in a bosun's chair that dangles from a massless rope, which runs over a massless frictionless pulley, In each of the four cases, what is the force exerted on the ceiling by the pulley system
A movie camera with a (single) lens of focal length 70 mm takes a picture of a person standing 24 m away. what is the height of the image in millimeters on the film
A husband buys a helium-filled anniversary balloon for his wife. The balloon has a volume of 4.3L in the warm store at 76?F. By how much has the volume decreased in liters
A 21.8-kg box rests on a frictionless ramp with a 15.7° slope, what is the smallest force F the mover will have to exert to move the box up the ramp
A 5 kg block sits on top of a 10 kg block which rests on a horizontal frictionless surface. What is the minimum coefficient of static friction necessary to keep the top block from slipping on the bottom block
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