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1. When a battery is connected to several different circuits, it will cause the same current in each circuit? i know its false but please elaborate
2. The magnetic force exerted by the B-field on a charged object points in the direction of the B-field (if the object is positively charged) or opposite the direction of the B-field (if the object is negatively charged). also please elaboarte
A 20 kg block is pulled across a horizontal surface by a rope. The block has an acceleration of 2.3 m/s2 and the coefficient of kinetic friction is 0.16. Decide the tension in the rope.
As a protest against the umpire's calls, a baseball pitcherthrows a ball straight up into the air at a speed of 200.0 m/s. find the force he exerts on the ball to give it this upward speed
A heart defibrillator delivering 400 J of energy by discharging a capacitor initially at 10,000 V has a capacitance of 8.00 µF, What is the voltage of the second defibrillator
A grinding wheel of radius 0.340m rotating on a frictionless axle is brought to rest by applying a constant friction force tangential to its rim. The constant torque produced by this force is 64.5 N • m. Find out the magnitude of the friction forc..
A curling stone with a mass of 7 kg moves across the ice at a speed of 1.35 m/s in the positive x direction. What is the speed and direction of stone 2 after the collision
On a frictionless, horizontal air table, puck A (with mass 0.150 kg ) is moving toward puck B (with mass 0.400 kg ), What was the speed of puck A before the collision
The electric potential at x = 5.0 m is 190 V, and The electric potential at x = 3.0 m is 120 V. What is the electric field in this region, assuming it's constant?
question the ratio of times taken by a cyclist to travel along the outer and inner perimeter of a circular path is 2322
A rock is thrown from the roof of a building with a velocity vo and an angle of alpha(o) from the horizontal, Calculate the magnitude of the velocity of the rock just before it strikes the ground
A car (m = 670.0 kg) accelerates uniformly from rest up an inclined road which rises uniformly, to a height, h = 36.0 m. Find the average power the engine
Hint: This is a multiple step problem in which you must derive the variables needed (mass and distance under constant acceleration) in step one and then apply those values to the final solution of the problem in step two, that is calculate the wor..
A) What is the magnitude of the electric field E? at the midpoint between the two rings? B) What is the magnitude of the force F? on a -1.0 nC charge placed at the midpoint?
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