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A 199.9 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. The force keeping the satellite in orbit is 43.6 N. What is the velocity (speed) of the satellite?
A rod of length ? with uniform charge per unit length ? , where ? > 0, is placed a distance d from the origin along the x axis, The segment is at a distance x from the origin, Determine the electric field
Vector A has a magnitude of 8 units and makes an angle of 45.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. (Using graphical methods), find (a) vector sum A + B and (b) vector diffe..
The driver of a car wishes to pass a truck that is travelling at a constant speed of 20 meters per second. Initially, the car is also travelling at 20 meters per second and its front bumper is 24 meters behind truck's rear bumper.
An air-filled ion chamber is operated at a pressure of 3 atm, find the saturated ion current corresponding to a gamma-ray exposure of 1 mR/h
A 9 m, 220 N uniform ladders rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50° angle with ground. How far up the ladder can an 850 N person climb before ladder beg..
find the moment of inertia about the z axis of the hemispherical shell of z= (2^2-x^2-y^2)^(1/2), derive the unit normal vector for surfaces given by y=g(x,z_ x=h(y,z)
An athlete at a gymnasium holds a 3.0kg steel ball in his hand. His arm is 70cm long and has a mass of 4.0kg. Calculate the magnitude of the torque about his shoulder if he holds his arm
A 2.80x 10^2 W electric immersion heater is used to heat a cup of water. The cup is made of glass and its mass is 3x10^2 g. It contains 250g of water at 15°C.
A box of books weighing 397 N is shoved across the floor by a force of 543 N exerted downward at an angle of 37 degrees below the horizontal.
Compute what resolving power is needed to measure with a spectrograph the natural line width of the alpha particles from Po-212
What is the potential energy of the elevator
A rectangular loop of wire with width 0.4 cm and length 0.6 cm is oriented with the normal to the face of the loop, Find the magnetic flux through the loop
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