How many electrons must be transferred from the plate to rod
A plate carries a charge of -3.7 µC, while a rod carries a charge of +1.9 µC. How many electrons must be transferred from the plate to the rod, so that both objects have the same charge?
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A toy train is pushed forward and released at = 4.0 with a speed of 2.5 . It rolls at a steady speed for 3.0 , then one wheel begins to stick. The train comes to a stop 9.4 from the point at which it was released. What is the train's acceleration
Path A is 7.0 km long heading 60.0° north of east. Path B is 6.0 km long in a direction due east. Path C is 3.0 km long heading 315° counterclockwise from east. (a) Graphically add the hiker's displacements in the order A, B, C.
A 4.0 kg pendulum stars at a height of 1.50 m. partway through ts downward swing it reaches a velocity of 3.0 m/s. what is the hieght of the pendulum at this velocity?
The box has a mass of 31.0 kg, and the coefficient of kinetic friction between the box and floor is 0.530. The acceleration of gravity is 9.81 m/s2 . What is the acceleration of the box?
Which makes the pendulum swing upward in an arc. Determine the horizontal component of the pendulum's displacement.
The coefficient of static friction between the table and te block is .465 and the coefficient of kinetic friction between the tabel and the block is .320. Sand is gradually added to the bucket until the system just begins to move. Calculate the me
You throw a snowball at an angle of 28.0° below the horizontal from the roof of a building that is 91.0 m above flat ground. The snowball hits the ground a distance of 44.0 m from the base of the building. Assume free fall with up as positive,
The rotational inertia of a collapsing spinning star changes to 3/4 its initial value. What is the ratio of the new rotational kinetic energy to the initial rotational kinetic energy (KEnew / KEi)?
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