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A 1920 kilogram car accelerates uniformly from rest to 12.1 m/s in 2.58 second.
Compute the work done on the car in this time.
Answer in units of J.
Compute the average power delivered by the engine in the first 1.548 second.
Answer in units of W.
Compute the instantaneous power delivered by the engine at t2 =1.1094 second.
A wheeled cart is shoved up an inclined plane with an unknown initial speed. What was the cart's initial speed
question two toroidal solenoids are wound around the same form so that the magnetic field of one passes through the
we have been asked to create a plot of b2 vs. 1d2 a2 and use the slope of that plot and the following equation to
Glavin and nicole are running in the bluenose marathon. Glavin stops for a rest when nicole passes him. How long does it take for glavin to catch nicole
the glass core of an optical fiber has an index of refraction 1.61. the index of refraction of the cladding is 1.47.
By curving different isotopes through paths with different radii, a mass spectrometer can be used to purify a sample of mixed uranium-235 and uranium-238 isotopes. Assume that B = 5.00*10^-3 T, V = 55.0 V, and that each uranium isotope has a 5+ io..
An upright object is placed a distance in front of a converging lens equal to twice the focal length (f1) of the lens. On the other side of the lens is a converging mirror of focal length f2 separated from the lens by a distance 2(f1+f2).
A bowling ball 26 cm in diameter is slid down an alley with which it has a coefficient of sliding friction of µ = 0.55. The ball has an initial velocity of 9 m/s and no rotation. g = 9.81 m/s2. Note: For a sphere Icm = (2/5)mr2.
A proton is traveling due west with a speed of 4.00 x 10^5 m/s and enters a magnetic field of 5.00 x 10^-5 T directed at 30.0 degrees to the direction of the proton's motion. Determine the magnitude and direction of the force of the proton.
A proton beam in an accelerator carries a current of 105 µA. If the beam is incident on a target, how many protons strike the target in a period of 29.0 s
Some kids playing at the park get creative, and they turn a seesaw into a trebuchet - they slide the plank until only 20 cm of its total length of 4 m extends from one side of the fulcrum. What maximum velocity does the cantaloupe reach
The work to required to strech a certain spring by an elongation of 4.00 cm to an elongation of 5.00cm is 30.5 J. (a)is the work required to increase the elongation of the spring from 5.00 cm to 6.00 cm greater than,less than or equal to30.5J?
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