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Two point charges have a total charge of 277 uC. When located 1.61 meter apart, the force each exerts on the other is 15.8 Newton and is repulsive. Determine what is the charge on each?
A satellite of the Earth has a mass of 99kg and is at an altitude of 1.95x106 m. (Assume that U = 0 as r goes toinfinity.) What force does the satellite exert on the Earth
A cylindrical spaceship of length 40.0 m and diameter 8.75 m is traveling in the direction of its cylindrical axis (length). What is the length of the ship, as measured by an Earth observer measured in m
A soccer player kicks the ball off the ground at an angle ? above the horizontal. The ball is in the air for 3.0 seconds, Find the soccer ball's initial horizontal (vox) velocity component
The 1994 Winter Olympics included the aerials competition in skiing. In this occasion skiers speed down a ramp that slopes sharply upward at the end. Calculate what is the skier launch speed
An arrow is shot 30 degrees above horizontal with an initialvelocity of 49 meters/second. What is the maximum height the arrow reaches.
A 4.0 kg box sliding on a frictionless surface explodes into two equal sized parts. what was the original velocity of the box
An 79 kg person is parachuting and experiencing a downward acceleration of 2.0 m/s2 shortly after opening the parachute. What upward force is exerted on the open parachute by the air
A 12 kg runaway grocery cart runs into a spring with spring constant 240 N/m and compresses it by 60 cm. What was the speed of the cart just before it hit the spring?
q1. how many 104 w lightbulbs can you use in a 102 v circuit without tripping a 17 a circuit breaker? the bulbs are
A block of wood in the shape of a cube, 5.0 cm on a side, is floating in water with its top face parallel to the surface of the water. With a ruler, What is the density of that piece of wood
a 50.0-n box is sliding on a rough horizontal floor and the only horizontal force acting on it is friction. you observe
Assume that Newton's law of universal gravitation can be applied to these two students and find the gravitational force (in Newtons) that one student exerts on the other when they are separated by 0.493 m. Consider entering the answer using scient..
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