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(a)For a satellite to be in a circular orbit 660 km above the surface of the earth, what orbital speed must it be given?
(b)What is the period of the orbit (in hours)?
The focal length of an objective lens is 4.60mm . The image formed by this lens is 145mm from its focal point. find the magnitude of the angular magnification of the microscope
A cosmic ray interacts for a mere 11fs with its detector. Having just learned about the uncertainty principle, Find the minimum uncertainty in that energy
The eight ball m = 0.5 kg is initially moving with a velocity v = 4.2i m/s. What is the magnitude of the velocity of the eight ball after the collision in m/s
A resistor, capacitor and inductor are connected in series to an ac source with a frequency of 30 Hz and an rms potential of 40 V. What is the resonance frequency for this circuit
A father racing his son has half the kinetic energy of the son, who has one-third the mass of the father, What is the original speed of the father
Calculate the work done by the electric field force on an electron when the electron moves from point O, where the potential is -30.0 V, to point F,
Sunlight shines directly on to the wall of a large soap bubble (n = 1.33) which is floating in air (n=1). What is the minimum thickness it could have to produce completely destructive interference for blue light (%u03BB = 475 nm)
Your are sitting in your car, which is standing at the side of the road with the engine idling. After what distance will you catch up with your classmate
A crate is dragged across a rough floor by a force of 120N asz` shown below. A friction force of 40N acts to slow the motion of the crate. what is the net work done
A 65-? loudspeaker, a 8.0-? loudspeaker, and a 2.1-? loudspeaker are connected in parallel across the terminals of an amplifier. Determine the equivalent resistance of the three speakers
A 60 kg person jumps from rest off a 5 m high tower straight down into the water. Determine the magnitude of the average forces that the water exerts on the diver
Two train cars are on a straight, horizontal track. One car starts at rest and is put in motion with a constant acceleration of 1.01 m/s2. Where will the cars collide
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