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A 0.060 kg tennis ball, initially moving at a speed of 12 m/s,is truck by a racket causing it to rebound in the oppositedirection at a speed of 18 m/s. What is the change in momentum of the ball?
On a summer morning in July in Houston Texas, the temperature is 80°F. A painter fills a 5.0 gallon aluminum container to the brim with turpentine. How much fluid spilled out of the container
The 2.4m Hubble space telescope has been placed into Earth orbit by the same space shuttle. What angular resolution could this telescope achieve by Rayleigh's criterion
You are designing a spacecraft going to Mars. For the on-board electronics, you need a minimum amount of power in order to function properly. What is the efficiency of the solar cells
A tether ball of mass 0.40 kg is attached to a vertical pole by a cord 1.5 m long. Assume the cord attaches to the center of the ball. The cord makes an angle of 20° with the vertical. (a) What is the tension in the cord? . N (b) What is the speed of..
A certain automobile engine is performing work at the rate of 33900 W (45 hp) with an efficiency of 27%
Two charged bodies exert a force of 0.190 N on each other. If they are moved so that they are one-fifth as far apart, what force is exerted
Explain an experimental method for determining the center of mass of any object, including irregularly shaped objects.
Determine the kinetic and potential energies when thedisplacement is one half the amplitude. For what value of the displacement does the kineticenergy equal the potential energy?
An aquarium contains a 5-cm layer of water (n = 1.333) floating on top of carbon tetrachloride (n = 1.461). If an angle of incidence into water from the carbon tetrachloride is 20, what is the angle of refraction into the air.
An open train car, with a mass of 2030 kg, coasts along a horizontal track at the speed 2.45 m/s. What is the car\'s speed after the loading is completed
A vertical straight wire carrying an upward 30?Acurrent exerts an attractive force per unit length of 5.5×10?4N/m, What current (magnitude) flows in the second wire
What is Neptune's semimajor axis of the transfer orbit if the semimajor axis is 4497.1*10^6 and the mass of Neptune over the Earth is 17 and the eccentricity of 0.01?
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