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A 201.8 kg satellite is in a circular orbit of 22,000 miles (35,405,000 m) in radius. The force keeping the satellite in orbit is 49.6 N. What is the velocity (speed) of the satellite?
The normal boiling point of ammonia is -33.33 C. The boiling point of ammonia under 23.74 psi is -23.33 C. Suppose the pressure on the liquid ammonia at -23.33 C is suddenly dropped from 23.74 psi to 14.71 psi (1 atmosphere).
Two masses 3kg and 5kg are held around a pulley as shown in the figure. When the two masses released, what will be the acceleration of the 5kg mass
q1. an electric circular saw is designed to reach its final angular speed starting from rest in 1.40 s. its average
A sphere with mass (M) and radius (r) is placed down a rod at distance (R), the rod has a length (L) and a mass (m). Write an equation for the frequency of pendulum
a solid cylinder of radius 6 cm and mass 9 kg starts from rest and rolls without slipping a distance L = 6.0 m down a roof that is inclined at angle ? = 30°. What is the angular speed of the cylinder about its center as it leaves the roof
A hydraulic lift consists of two pistons that connect to each other by an incompressible fluid. If one piston has an area of 0.49 m^2 and the other an area of 6.2m^2, how big a mass can be raised by a force of 220N exerted on the smaller piston.
A region of space contains a uniform electric field oriented along the y-axis. How is the plane of second frame oriented with respect to the plane of the first one
In a certain cyclotron a proton moves in a circle of radius0.700 m. The magnitude of the magnetic field is 1.40 T. What is the oscillator frequency? What is the kinetic energy of the proton?
7.5 mol of helium are in a 15 L cylinder. The pressure gauge on the cylinder reads 68 psi. estimate the average kinetic energy of a helium atom
Calculate the force between two wires each 0.98 m long, carrying 29 A current in opposite directions and separated by 1.6 mm
A tank holds 182 moles of argon gas (atomic mass = 6.633521 × 10-26 kg) at a pressure of 101300 Pa and a temperature of 308 K. How much kinetic energy is contained in this gas
Explain the relationship between the tilt of the Earth’s axis and the fact that we have seasons and the seasonal variation in the length of the day. What would happen to the seasons and the day length of the 23.5° tilt were reduced to 0°?
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