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Q1. An electric field of 254,000 N/C points due west at the certain spot. What are the magnitude and direction of the force that acts on the charge of -8.1 µC at this spot?
Q2. A grocery cart with mass of 15 kg is pushed at the constant speed along an aisle by a force F = 14 N. the applied force acts at the 20 degree angle to the horizontal. Find the work through each of the forces on the cart if the aisle is 16 m long.
When two point charges are a distance R apart, their potential energy is -2.00 .How far (in terms of R) should they be from each other so that their potential energy is -6.00.
For the polarisers, assume the incident light is linearly polarized, the transmitted intensity (through both polarisers) is 0.15×I0, and the axis of the second polarizer makes an angle θ=41° with the axis of the first polarizer. What is the angle (in..
Illustrates the difference between acceleration and velocity
What is the kinetic energy of α particle while it reaches the other plate? The distance between the plates is 33 cm.
The angular momentum of Earth is constant
Coefficient of kinetic friction between tires and road
Light from a He-Ne laser (= 632.8) strikes a pair of slits at normal incidence, forming a double-slit interference pattern on a screen located 1.10 from the slits. The figure shows the interference pattern observed on the screen.
Using the capacitance determined in part (a), calculate the current in the circuit 7.4 ms after the switch is closed. Suppose that the capacitor is uncharged initially and that the emf of the battery is 9.0 V
A man drags a 72.0 kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 26 degrees above the horizontal, and the strap is inclined 68 degrees above the horizontal. The center ..
What is clowns total displacement
Compute magnitude and direction of magnetic field produced by the moving belt at a point just above its surface .
Show that the boundary conditions far away from the cylinder
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