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1. A 195.0 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. The force keeping the saellite in orbit is 44.5 N.What is the velocity (speed) of the satellite?
2. The catapult on an aircraft carrier can take an aircraft weighing 300,000 N from 0 to 88.7 m/s in 9.9 seconds, at which time the aircraft launches. What is the acceleration of the aircraft when it launches?
An object of length 3 cm is inside a plastic block with index of refraction 1.40. If the object is viewed through the top surface of block at a non-zero angle from the normal, where is an object relative to its image.
A lamp hangs vertically from a cord in a descending elevator that decelerates at 3.2 m/s2. Find the cord tension when the elevator ascends with an upward acceleration of 3.2m/s2
a football player kicks a ball at angle of θ = 45degree above the horizotal. The initial speed of the ball in22m/sec. find the time of the flight between kick off and landing
The drawings show three charges that have the same magnitude butdifferent signs. In all cases the distance d between the charges isthe same. The magnitude of the charges is , and the distance between themis d = 3.8 mm. Determine the magnitude of t..
a ball is thrown straight up takes 2.25s to reach a hieght of36.8m, how much higher will the ball go
A computer to be used in a satellite must be able to withstand accelerations of up to 27 times the acceleration due to gravity. What is the minimum amplitude of vibration
Calculate the irradiance on earth due to radiation from the sun
A 20.0 ?, 9.00 ?, and 9.00 ? resistor are connected in parallel to an emf source, What is the potential difference across the source
A ?ywheel in the form of a heavy circular disk of diame
Julie has a mass 49kg What is her potential energy when standy on the 6m diving board? what is her kinetic energy just before she hits the water
A man is pushing a heavy box across the floor. The box weighs 95 lbs. The man is pushing forward on it with a force of 56 lbs. What is the resultant horizontal force on the box
An inkjet printer uses tiny dots of red, green, and blue ink to produce an image. Suppose that the dot separation on the printed page is the same for all colors. At normal viewing distances, the eye does not resolve the individual dots, regardless of..
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