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The mass of Earth is 5.972 * 1024 kg, and the radius of Earth is 6,371 km. A 750 kg satellite orbits 35,800 km above Earth in a perfectly circular orbit. If the gravitational force is acting as the centripetal force to keep the satellite in orbit, what is the tangential velocity of the satellite in its orbit?
In each cycle an engine gets 50. J from the combustion of fuel and it expels 45. J of heat to the environment at 13.°C, What is the minimum possible temperature
A nonconducting spherical shell of inner radius R1 and outer radius R2 has a uniform volume charge density ?. find the total charge on the shell
A top is a toy that is made to spin on its pointed end by pulling on a string wrapped around the body of the top. The string has a length of 60 cm and is wound around the top at a spot where its radius is 2.0 cm. The thickness of the string is neglig..
A 900kg car pushes a 2000kg truck that has a dead battery. When the driver steA 900kg car pushes a 2000kg truck that has a dead battery, What is the magnitude of the force of the car on the truck
Two charges are fired directly at each other. Both charges have different masses and different initial velocities so that the initial momentum of the system is not necessarily zero. Assume that the net momentum of the system is \(\overrightarrow{{..
a particle of charge 18 microc and mass 5.00 x 10-5 kg is released from rest in a region where there is a constant
An inventor claims to have developed an engine that takes in 100,000Btu at a temperature of 400 K, rejects 40,000 Btu at a temperature of 200 K, and delivers 15kW . h of work. Would you advise investing money to put this engine on the market?
The staples inside a stapler are kept in place by a springwith a relaxed length of 0.115 m. If the spring constant is 51.0N/m, how much elastic potential energy is stored in the spring
Determine the rotor speed of a shredder. The shredder's motor inertia is 75000 lb-ft2, starting time is 30 s, and power is 80kW
A satellite operates at an altitude of 20,200 km and utilizes communication frequencies of1575.42 MHz. Find the gravitational frequency change by respect to Earth.
A spark can jump among two no touching conductors if the potential difference among them is sufficiently large. A potential dissimilarity of approximately 940 V is required to produce a spark in an air gap of 1.0x10-4 m.
You push a crate across a rough floor against a constat force of friction. You first push with a force of 35N, the acceleration of the box is 0.80m/s^2; Find the mass of the box
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