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A 4,000-kg satellite is traveling in a circular orbit 200 km above the surface of the Earth. A 3.00-gram marble is dropped inside the satellite. What is the force of gravity on the marble as viewed by the observers on the Earth? (Me = 5.98 1024 kg, Re = 6.37 106 m, G = 6.67 10-11 N • m2/kg2)
A 2590-kg spacecraft is in a circular orbit 2720 km above the surface of Mars. How much work must the spacecraft engines perform to move the spacecraft to a circular orbit that is 4480 km above the surface
A hot air balloon is rising straight up with a speed of 6.0 m/s. A ballast bag is released from rest relative to the balloon when it is 9.54 m above the ground. How much time elapses before the ballast bag hits ground.
A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 3.6 J of work is required to compress the spring by 0.1 m. Find the value of the mass
A block slides down an inclined plane, starting from rest and being pushed with a constant acceleration of 4.60 m/s2 over the distance of 20.80 cm. It then decelerates at the constant rate of 1.03m/s2 (because of friction), until it again comes to..
A 1.2kg block slides along a frictionless surface at 1.5m/s . A second block, sliding at a faster 4.8m/s, what is the mass of the of the second block
If the initial temperature of the horseshoe is 450 °C, and the initial temperature of the water is 45° C, what is the equilibrium temperature of the system? Presume no heat is exchanged with the surroundings.
Two forces, F1 vector and F2 vector, act at a point. F1 vector has a magnitude of 8.40N and is directed at an angle of 65.0 degrees above the negative x axis in the second quadrant. What is the magnitude of the resultant force
Orb spiders make silk with a typical diameter of 0.15 .A typical large orb spider has a mass of 0.50. If this spider suspends itself from a single 12-cm-long strand of silk, by how much will the silk stretch
We want to design a freeway off ramp that has a radius appropriate for the posted speed. What is the radius of the curved exit ramp such that the car does not skid off the ramp
A certain type of laser emits light that has a frequency of 5.2 x 10^14 Hz. The light, however, occurs as a series of short pulses, each lasting for a time of 2.7 x 10-11 s. How many wavelengths are there in one pulse.
A woman with mass 50 kg stands at the rim of a large disk rotating at 0.5 rev/s about its center axis. What is the difference in energy of the system
Due to its spin, the electron possesses a magnetic moment ?B. Treating the conduction electrons in a metal as a free electron gas, Evaluate this expression at zero temperature
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