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A 1053-kg car starts from rest at the bottom of a drive way and has a speed of 3.00 m/s at a point where the drive way has risen a vertical height of 0.600 m. Friction and the drive force produced by the engine are the only two nonconservative forces present. Friction does -2870 J of work. How much work does the engine do?
WEngine = J
Consider the following fission reaction (1n)+235U --> 90Kr + 142Ba +4(1n) +6 \(\gamma\) where 90Kr and 142Ba are the initial fission fragments. What is the total energy eventually emitted
While the dried up seed pod of a scotch broom plant bursts open, it shoots out a seed with an initial velocity of 2.4 m/s at an angle of 60° above the horizontal.
One solenoid is centered inside another. The outer one has a length of 55.0cm and contains 6800 coils, Find the emf induced in the inner solenoid
A box slides across a frictionless floor with an initial speed v = 3.4 m/s. It encounters a rough region where the coefficient of friction is µk = 0.5. with what speed does the box leave the strip
A parallel plate capacitor (air filled) that is maintained at a 20.0 V potential difference between plates, Calculate the surface charge density, and the charge on each plate
If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.90 T field (perpendicular to the wire), what force is exerted on this segment of wire
A proton is located at the origin, and a second proton is located on the x-axis at x = 5.10 fm (1 fm = 10-15 m). If the two protons are released from rest and the alpha particle remains fixed, calculate the speed of the protons at infinity
In an experiment like you are going to do in Investigation 1 of lab this week, you count the number of beta rays from a 137Cs source. What is the average number of counts
A viewing window in the Atlanta aquarium is 67 inches wide and 43 inches high. what is the outward force on the window
A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 12.9 m/s. How high does the ball rise
As a freely falling object picks up downward speed, what happens to the power supplied by the gravitational force? Does it increase, decrease, or stay the same and Why.
What is the resistance of a NichromeTM wire at 0.0 if its resistance is 108.9 at 12.5? The temperature coefficient of resistivity for NichromeTM is 4.00×10?4
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