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Jane and Jon, with masses of 50 kg and 60kg, respectively,stand on a frictionless surface 10m apart. John pulls on a ropethat connects fim to jane, giving Jane an acceleration of 0.92m/s2 toward him.
a) What is JOhn's acceleration?
b) If the pulling force is appliedconstantly, where will Jane and JOhn meet?
How many electrons would have to be removed from one sphere and added to the other to cause an attractive force between the spheres of magnitude 1.00 x 10^4 N (roughly one ton)? Assume that the spheres may be treated as point charges.
A plane first moves from the origin to point A located at 170 km in direction of 30 degree north of east after that it flies 150 km 20 degree west of north to point B finally it flies 195 km due west to point C. find the location of C from origin.
An object has a kinetic energy of 313 J and the momentum of magnitude 24.1 kg·m/s. Find out the speed and the mass of the object.
A small remote-control car with a mass of 1.60 kg moves at a constant speed of v = 14.0 m/s in a vertical circle inside the hollow metal cylinder that has the radius of 5.00 m.
Suppose the Eskimo is pushing the same 50.0-kg sled across level terrain with a force of 50 N. If he does 4 x 10^2J of work on the sled while exerting the force horizontally, through what distance must he have pushed it.
What is the work completed by the force of gravity.
A horizontal force a of magnitude 22 N is applied to a 3.25 kg psychology book, as book slides a distance d = 0.500 m up a frictionless ramp.
Find the position of an object in front of a screen to obtain an image of size twice larger than its original size on the screen.
Three charges (q1 = 7.6 ?C, q2 = -4.7 ?C, and q3 = 1.1?C) are located at the vertices of an equilateral triangle with side d = 6.1 cm. q1 is on the bottom left, q2 is on the bottom right, and q3 is at the top.
the acceleration of gravity at the surface of moon is 1.6 m/s^2. A 5.0 kg stone thrown upward on moon reaches a height of 20m, find its intial velocity
In the Millikan oil-drop experiment, an atomizer (a sprayer with a fine nozzle) is used to introduce many tiny droplets of oil between two oppositely charged parallel metal plates.
Some athletes can put out as much as 800 watts in short bursts. If you could sustain such energy output long enough to reach the top of a mountain, how much time would it take you to get there from the valley, 3000 meters below the peak? So how does ..
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