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An electron starts from rest 75.9 centimeter from a fixed point charge with Q = -0.263uC. Compute how fast will the electron be moving when it is very far away?
What is the maximum number of 6.00 ?F capacitors that can be connected in parallel with a 6.00 V battery while keeping the total charge stored within the capacitor array below 484 ?C? If the same number of 6.00 ?F capacitors are connected in series w..
When a body of mass m is moving with a speed v, it has kinetic energy associated with its motion. by what percentage does the kinetic energy increase
An infinitely long cylinder has a circular cross section of radius a and its axis along the z axis. A steady current I is distributed uniformly over the cross section and is in the positive z direction. Please, read the document carefully, it ..
An object at 20 degrees celsius with heat capacity of 100 cal/degrees celsisu is placed in 40g of water at 100 degreescelsius. After equilibrium is reached, the object is removedfrom the hot water and placed in 200g of water at 0 degreescelsius.
As part of the safety investigation, two 1400 {rm kg} cars travelling at 23 {rm m/s} are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.7 {rm s} to stop, and (b) car that hits..
A multicylinder gasoline engine in an airplane, operating at 2.35 103 rev/min, takes in energy 7.83 103 J and exhausts 4.57 103 J for each revolution of the crankshaft. What is the torque exerted by the crankshaft on the load?
A car travels north at 28.9 m/s for 14.3 min. It then travels south at 40.1 m/s for 28.5 min. a) What is the total distance the car travels? b) What is the displacement of the car?
a tennis ball of mass 0.060 kg is served. It strikes the ground with a velocity of 54m/s ( 120 mi/h) at an angle of 22 degree below the horizontal. what average force did the ground exert on the ball
A 1.16 kg beaker containing 2.37 kg of oil of density 923 kg/m3 rests on a scale. A 2.22 kg block of iron is suspended from a spring scale and is completely submerged in the oil, Find the equilibrium reading of the spring scale.
What is the energy of a single photon of red light with a wavelength of 633 nm?
A block of wood of mass 2 kg is suspended by long, light strings and is at rest. A bullet of mass 40 g, strikes and remains in the block, causing it to swing. The utmost height of the block above its rest position is 51 cm.
a 940 kg car is pulling a 305 kg trailer. together the car and trailer have an acceleration of 2.20 ms2 in the forward
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