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An Earth satellite moves in a circular orbit 915 km above Earth's surface with a period of 103.1 min. What are (a) the speed and (b) the magnitude of the centripetal acceleration of the satellite?
After the collision (assumed elastic), the second ball is moving along the positive y axis. Elucidate the final direction of the first ball, and what are their two speeds?
A cart is moving horizontally along a straight line with constant speed of 30 m/s. At what speed(relative to the cart), and angle must the projectile be fired
two people are carrying a uniform wooden board that is 3.40 long and weighs 160 .questions.1. if one person applies an
An electric field is defined in three-dimensional space by the equation
What wavelength of electromagnetic waves is needed so that the first strong interference maximum in the Bragg reflection occurs when the waves strike the planes at an angle of 15.0o, At what other angles will strong interference maxima occur
A block of mass m = 2.0 kg is dropped from height h = 90 cm onto a spring of spring constant k = 1960 N/m. Find the maximum distance the spring is compressed
A simple pendulum has a period of 3.74 s. The acceleration of gravity is 9.8 m/s^2 What is its length? What would its period be on the Moon
an automobile having a mass of 1000 kg is driven into a brick wall in a safety test. the bumper behaves like a spring
Scientists want to place a 3800.0 kg satellite in orbit around Mars. They plan to have the satellite orbit at a speed of 2462.0 m/s in a perfectly circular orbit. What is the acceleration of the satellite in orbit
A tennis ball is struck at the base line of the court, 12.5 m from the net. How far beyond the net will the ball hit the ground
A pump draws water through a 150 mm diameter pipe from a reservoir whose surface level is at datum level and discharges it through a 100 mm diameter pipe to another reservoir whose surface level is 72 m above datum level.
A 4.000 liter container is filled to the brim with ethanol at 20.0 °C. The container is heated to 30.0 °C. What is the volume expansion coefficient of the container material
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