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A proton is placed at rest near the positive side of two oppositely charged, parallel plates. There is a potential difference of 12 V. Calculate the amount of work done on the proton and the final speed of the proton just before it strikes the other plate.
A rocket of mass m is fired vertically upwards. The interaction between its engine, Determine the speed of the rocket at the instant the enine shuts off, voff, as a function of Fmax, C, m, and g
a helium baloon is used to lift something which weighs 100n. the layer of the baloon weighs 50n and the volume of the
A nuclear power plant has a maximum steam temperature () of 280degrees C. It produces 790MW of electric power in the winter, when its is effectively -7 degrees C . If its summertime is 40 degrees C, what's its summertime electric power output, assumi..
question in a plane radio wave the maximum value of the electric field component is 5.86 vm. calculate a the maximum
The amplitude of a lightly damped oscillator decreases by 4.9% during each cycle. What percentage of the mechanical energy of the oscillator is lost in each cycle
If the cross-sectional area of the stream decreases by factor of 10× while passing through the dam, can you catch and save the weasel before it moves past the dam (X), down the waterfall?
A boy of mass 49.4 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.3 m/s. Find the final velocity of the skateboard
A cardinal (Richmondena cardinalis) of mass 3.60×10-2 kg and a baseball of mass 0.140 kg have the same kinetic energy. What is the ratio of cardinal's magnitude p_c of momentum to the magnitude p_b of the baseball's momentum.
A soccer ball with a mass of 448g bounces off the crossbar of a goal and is deflected upward at an angle of 56.2° with respect to horizontal. Immediately after deflection, the kinetic energy of the ball is 47.70 J. What are the vertical and horizo..
An automobile tire has a radius of 0.330 m, and its centre moves forward with a linear speed of v= 15.0 m/s. Find the angular speed of the wheel.
Sam pushes a 10.0-kg sack of bread flour on a frictionless horizontal surface with a constant horizontal force of 4.0 N starting from rest. What is the speed of the sack after Sam has pushed it a distance of 20 cm
A 1500 kg car increases its speed from 15 m/s to 18 m/s in 15 seconds. What is the resultant work done on the car
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