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A 120cm3 box contains helium at a pressure of 2.20atm and a temperature of 80.0â??C. It is placed in thermal contact with a 210cm3 box containing argon at a pressure of 3.70atm and a temperature of 420â??C. What is the initial thermal energy of each gas?
define the potential difference between the plates.With what force must the player push the puck so that his force just equals the frictional force.
A person of mass 72 stands at the center of a rotating merry-go-round platform of radius 3.40 and moment of inertia 950. The platform rotates without friction with the angular velocity 0.95. The person walks radially to the edge of the platform.
A bat flies toward a wall, emitting a constant sound of frequency 2.00 rm kHz. This bat hears its own sound plus the sound reflected by the wall.
A 32.8 g piece of aluminium at 72 is dropped into a cavity in an extremely large block of ice at 0. How much ice mice does aluminium piece melt.
A speed ramp at an airport is basically a large conveyor belt on which you can stand and be moved along. The belt of one speed ramp moves at a constant speed such that a person who stands still on it leaves the ramp 66 s after getting on.
A rock is lauched from the moon and travels away from it at a speed of 2/5, Call the event of the rocket's lauching event A, Draw a spacetime diagram of the situation, drawing and labeling the worldlines of the moon
Find graphically magnitude and direction of resultant force
Find the use of an NPN common emitter transistor, advantage of direct - coupled amplifier and bandwidth of an amplifier.
Four equal charges of +2.5×10-6 C are placed on the corners of one face of a cube of edge length 15.0 cm. A charge of -2.5×10-6 C is placed at the center of the cube. What is the magnitude of the force on the charge at the center of the cube?
A simple harmonic oscillator consists of a block of mass 4.kg attached to a spring of spring constant 153 N/m. When t = 2 s, the position and velocity of the block are x = +0.129 m and v = +3.415 m/s.
Two 3.5 kg bodies, A and B, collide. The velocities before the collision are A = (21 + 30) m/s and B = (-34 + 11) m/s. After the collision, ′A = (-4.5 + 16) m/s.
The spheres are touched together and are then returned to their original separation d. Illustrate what is the force between them.
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