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Assume you have a spherical planet with a diameter of 1600 kmwith a uniform density of 5200 kilograms per cubic metre.
If a Space Station is in a circular orbit 630 km above thesurface, what is its orbital velocity in metres per second?
In a three pulley system a man who weighs 875.0N is standing upright holding on one end of the rope while the other end is tied to his feet. Estimate the normal force from the ground
What must the separation be between a 7.0 kg particle and a 3.5 kg particle in order for their gravitational attraction to have a magnitude of 3.4 10-12 N
Two charged particles of equal magnitude (+Q and +Q) are fixed at opposite corner of a square lying in a plane. What is the direction of the force on the test charge due to the two other charges
A 10-A current flows for two minutes. How much charge has passed through this circuit
The temperature of the surface of the sun is 6000K and its radius is 696,000Km. How much energy is the sun radiating into space per second
You are in the neighborhood of a star (radius of 700,000 kilometers) which has emitted so many protons ("solar wind") during its life, that it now possesses a huge net negative charge of 6 x 10^6 C, What power must the engines of the probe use in o..
Suppose that an insulating container of negligible mass contains 0.12 kg of water at a temperature of 4 degrees C. what is the final mass (in kg) of the water in the system
You are asked to design a spring that will give a 1200-kg satellite a speed of 3.50 m/s relative to an orbiting space shuttle. What distance must the spring be compressed
A 10.00kg box on a smooth, frictionless, horizontal surface experiences a downward force of 30n at an angle of 40 degrees to the horizontal. The box moves 1.50 m to the right. What was the work done by gravity.
How to create a condition of weightlessness inside aircraft
In the neighborhood of the origin in the coordinate system x,y,z, there is an electric field E of magnitude 100 statvolts/cm, What magnetic field does this observer report
A 2kg box slides along a frictionless surface with a speed of 15m/s and approaches a horizontal spring with a spring constant of 2000N/m. If one end is fixed, a) How far will the spring compress in stopping the box? b) How far will the spring be comp..
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