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A satellite would have a mass of 200 kg on the surface of the moon. Determine the weight of the satellite in pounds when it is in orbit 10,000 mi. above the surface of the earth.
A body has a mass of 2000 kg. Determine the weight of the body expressed in N if it is (a) located on the surface of the earth, (b) it is located in a satellite orbiting at an altitude of 30,000 m,
A small point charge having charge Q is fixed a distance h above a thin, infinite sheet of charge with charge density sigma. Determine the force on the point charge due to the line in terms of h, si
An astronaut weighs 150 lbs on the surface of the earth. What does she weigh if she is resting in the space shuttle that is orbiting 200 mi. above the surface of the earth.
A person weighs 200 lb on the surface of the earth. What is the person's mass expressed in slugs. What would the person weigh on Mars expressed in pounds.
In each cycle of a Carnot engine, 97 J of heat is absorbed from the high-temperature reservoir and 63 J is exhausted to the low-temperature reservoir. What is the efficiency of the engine?
A small point charge having charge Q is fixed a distance h above a thin, infinitely long line of charge with charge density lambda. Determine the force on the point charge due to the line in terms o
A member of an aircraft maintenance team crew wears protective earplugs that reduce the sound intensity by a factor of 340. When a jet is taking off, the intensity level experienced by the crew memb
A cowboy fires a silver bullet of mass 5g with a muzzle speed of 257 m/s into the pine wall of a saloon. What is the temperature change of the bullet?
The acceleration is given by the vector a = 2.0 m/s2 + 5 m/s2 . (a) Find the velocity vector at t = 10.0 s. (b) Find the position vector at t = 1.0 s. (c) Give the magnitude and direction of the posit
A 9.00 g bullet, moving horizontally with an initial speed v, embeds itself in a 1.20 kg pendulum bob that is initially at rest. The length of the pendulum is L = 0.700 m. After the collision, the p
Reconsider the same situation, except that now there is a point charge of +q on the plane and a point charge of -q at the other end of the guideline. In this case, the line breaks when the kinetic e
A highway is to be built between two towns, one of which lies 87.0 km south and 50.0 km west of the other. (a) What is the shortest length of highway that can be built between the two towns, and (b)
A gas is confined to a cylinder with a movable piston. A small weight is placed on the piston after which the system reaches equilibrium, shown above. If the weight of the piston and the additional
A hockey player hits a .1 kg puck initially at rest on the ice with a force of 160 N for a period of .024 s. What is the impulse imparted to the puck? What is the speed of the puck after it is struc
(a) How much charge is on the surface of an isolated spherical conductor that has a 10.0-cm radius and is charged to 2.00 kV? (b) What is the electrostatic potential energy of this conductor? (Assume
Four identical and well separated spheres. Sphere W (initial charge 0) touches sphere A and is separated. W touches B (initial charge -32e) and they are separated. Finally W touches C (initial charg
The speed of an object and the direction in which it moves constitute a vector quantity known as the velocity. An ostrich is running at a speed of 15.9 m/s in a direction of 57° north of west. W
Jupiter has about 300 times the mass of Earth and about ten times Earth radius. Estimate the size of g on the surface of Jupiter.
The angle between 2 electrons is 65 degrees. If two electrons are each (2.10×10^-10) m from a proton, find the magnitude and of the net electrical force they will exert on the proton.
A frictionless track with a loop of radius 25 cm sits on a table 0.8 meters above the ground. If a 0.3 kg object just makes the loop, how high above the table did the object start and how far from t
How high is the bridge? Or more precisely, how high are the railroad tracks above the windshield height? The acceleration of gravity is 9.8m/s2.
One night you suspend the spring from the ceiling in your room and hang the mass from it. You find that the mass stretches the spring by 31.2 cm.
Gold, which has a mass of 19.32 g for each cubic centimeter of volume, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. If 3.000 oz of gold, with a mass