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If the size of the positive charge value is tripled for both of two point charges, to maintain the same mutual force between them what would be the ratio of old to new distance between the two point charges?
Use the worked example above to help you solve this problem. A ball is thrown upward from the top of a building at an angle of 30.0° to the horizontal, How long does it take for the ball to hit the ground
the electric field between the plates of a parallel-plate capacitoris horizontal, uniform and has a magnitude E. A smallobject with a charge of -2.60 μC isattached to the string. Assume that the tension in the string is0.0350 N, and the angle it m..
a marble is projected up along a 17 deg incline track at an initial speed of 2.1ms and then coasts without friction. a
A spring whose stiffness is 1000 N/m has a relaxed length of 0.49 m. what is the change in the potential energy of the spring
A bolt on an engine is to be tightened with a maximum torque of 75 Nm. If a wrench has a length of 0.30 m, what is the maximum force perpendicular to the length that should be used to tighten the bolt?
two equal resistances are connected in the gaps of a meter bridge. if the resistance in the left gap is increased by 10
A 68 kg person sits on a 4.0 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.2 cm in diameter . Find the pressure exerted on the floor by each leg of the chair, assume the weight is evenly distributed.
A 0.135kg ball is thrown straight up from 2.07m above the ground. Its initial vertical speed is 5.20m/s. Calculate the total work done by the force of gravity
An air puck of mass m1 = 0.21 kg is tied to a string and allowed to revolve in a circle of radius R = 0.8 m on a frictionless horizontal table. What is the horizontal force acting on the puck
Charges q and Q are placed on the x axis at x = 0 and x = 2.0 m, respectively. If q = -40 pC and Q = +30 pC, define the net flux through a spherical surface (radius = 1.0 m) centered on the origin.
A 2.4 mm-diameter copper wire carries a 30 A current (uniform across its cross section). Determine the magnetic field at the surface of the wire
Released from rest at the same height, a can of frozen juice rolls to the bottom of the same hill. What is the translational speed of the frozen juice can while it reaches bottom.
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