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A dead battery of 10v has an internal resistance of 1 ohms and is connected in parallel with jumper cables to another car with a 12v battery with internal resistance of 0.01 ohms. If the starter is in parallel with the batteries with an internal resistance of 0.06 ohms, find the current in the starter and the dead battery.
Points A and B have electric potentials of 257 V and 129 V, respectively. When an electron released from rest at point A arrives at point C its kinetic energy is KE1, What is the electric potential at point C
A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 415-N walk on the overhanging part of the plank before it just ..
A particle leaves the origin with an initial velocity of 4.20 m/s in the x direction, and moves with constant acceleration ax = -1.80 m/s2 and ay = 2.30 m/s2. a-How far does the particle move in the x direction before turning around? b-What is the..
To celebrate a victory, a pitcher throws her glove straight upward with an initial speed of 6.5 m/s a) How long does it take for the glove to return to the pitcher? b) How long does it take for the glove to reach its maximum height?
The pulley system is used to lift a 52 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to crate. assume the masses of the chains, pulleys, and ropes are negligible, conclude the forc..
An airplane starting from airport A flies 280 km east, then 365 km at 29.0° west of north, and then 130 km north to arrive finally at airport B.
Boxes are transported from one location to another in the ware-house by means of a conveyor belt that moves with a constant speed of 0.50m/s. At a certain location the conveyor belt moves for 2.00 m up an incline that makes an angle of 10° with the h..
a baseball pitcher throws a fastball across home plate. the ball crosses the plate, calculate the speed of a baseball that takes .010 s to cross home plate, .30 m from front to back
An athlete performs a Romanian deadlift with 197 kg bar from floor to hips (0.75 m) in 2.1 seconds. How much mechanical power is generated from the athlete
What is the linear charge density together the arc.
An Indy car with a speed of 125km/h goes around a level, circular track with a radius of 1.3km. What is the centripetal acceleration of the car.
Two identical light bulbs of 60w and 120v are connected in parallel and these arre then connected across a 120v power source
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