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What are the main parameters of voltage source and their physical meaning . How can we determine the voltage source parameter experimentally.
What is the temperature at point B?What is the work done BY the gas in the transition A to B? What is the efficiency of a Carnot cycle running between the lowest and highest temperature of the cycle above
A centrifuge in a medical laboratory rotates at an angularspeed of 3450 rev/min. Find the constant angularacceleration of the centrifuge
A monatomic ideal gas expands adiabatically from an initial volume of 72 L, What is the final volume of the gas
An airplane traveling at half the speed of sound emits a sound of frequency 5.96 kHz. At what frequency does a stationary listener hear the sound as the plane approaches
A shell of mass m and speed v explodes into two identical fragments. If the shell was moving horizontally (the positive x direction) with respect to Earth, and one of the fragments is subsequently moving vertically with speed v, find out the velocity..
A 25 kg child on a swing 2m long is released from rest whenthe swing supports make an angle of 30 degrees with thevertical. find the child's speed at the lowest position of the swing
A particle has initial velocity 5 m/s due east and acceleration 2 m/s^2 due west. Find the distance traveled during 3rd second of the motion.
your monthly electric bill is probably expressed in kilowatt-hours kwh a unit of energy delivered by the flow of 1 kw
A charging bull elephant with a mass of 5240kg comes directly towards you with a speed of 4.55m/s.You toss a 0.150-kg rubber ball at the elephant with a speed of 7.81m/s. (a) when the ball bounces back toward you,what is its speed?
If the same fish is attached to the end of the unstretched spring and then allowed to fall from rest, elucidate through what maximum distance does it stretch the spring?
A billiard ball is moving in the x direction at 30.0 cm/s and strikes another billiard ball moving in the y direction at 40.0 cm/s. As a result of the collision, the second ball moves at 50.0 cm/s, and the first ball stops. In what final direction do..
A soccer player kicks the ball toward a goal that is 23.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net
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