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The weight of an object on Earth varies directly as the weight of the object on the moon. If a 150 pound object would weigh 24 pounds on the moon, How much would a 13 pound object weigh on the moon?
A star with a surface temperature of 19,000 K and a radius of 3.7 X 106 km is located at a distance of 520 pc from the Earth. What is the luminosity of this star
Find one light and one heavy book. Put one of them at the edge of the table and use one hand to gently push it over the edge. Catch it with the other hand about 1 ft=30 cm below the edge of the table. Then do the same with the other book. (Don't choo..
A grandfather clock has a weight at the bottom of the pendulum that can be moved up or down. If the clock is running slow, what should you do to adjust the time properly?
find the moment of inertia of solid cylinder of radius a height h and mass m about the axis of the cylinder. hint this
A particular radioactive source produces 150 mrad of 2 MeV gamma raysper hour at a distance of 1.0 m. How long could a person stand at thisdistance before accumulating an intolerable dose of 1 rem
Certain stars are thought to collapse at the end of their lives, combining their protons and electrons to form a neutron star. what would be the radius of the star
A wheel with a rotational inertia of 5.0 kg m2 is rotating in a horizontal plane at 600 rev/min. A rim brake exerts a torque of 500 Nm on the inside rim of the wheel. Discover the initial angular velocity in units of rad/s and the number of revolutio..
An aircraft performs a maneuver called an aileron roll. During this maneuver, the plan turns like a screw as it maintains a straight flight path, but using its ailerons to set the wings in circular motion.
After the interaction, the particles (which can't be distinguished) are observed moving at angles 55.3° and 34.7°, both angles being measured with respect to the original direction of motion. Illustrate what are the final speeds of the particles?..
Two forces act on a 5kg object. One force is 40 N and directed east. the other force is directed west. what is the magnitude and direction of the second force
The mean distance between the Earth and Sun is 149.6 x 10^6 kilometer. Find the earth linear velocity and angular velocity as it rotates around the sun
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from 0 to 5.80 m/s, What is the magnitude of the linear impulse experienced by a 74.0-kg passenger in the car during the time the car acceler..
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