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A funny car accelerates from rest through a measured track distance in time 38 s with the engine operating at a constant power 290 kW. If the track crew can increase the engine power by a differential amount 1.0 W, what is the change in the time required for the run?
A particle moves along the x axis according to the equation x = 50t + 10t2, where x is in meters and t is in seconds. (a) Calculate the average velocity of the particle during the first 3.0 s of its motion. ? m/s (b) Calculate the instantaneous veloc..
Find an angular velocity of the tire at the marker. Find also the linear speed of the point of contact of the tire with the pavement at the marker.
A standard 1 kilogram weight is a cylinder 40.0 mm in height and 51.0 mm in diameter. What is the density of the material
Three charges, +2.5 ?C, -4.8 ?C, and -6.3 ?C are located at (-0.20 m, 0.15 m), (0.50 m, -0.35 m), and (-0.42 m, -0.32 m), respectively
A transformer has an input coil with Nin = 400 turns and Nout = 1050 turns. If the voltage across the input coil has an amplitude of 2.1 V, what is the voltage across the output circuit?
How many photons are emitted during 7.0 s of operation of a red laser pointer? The device outputs 2.5 Watts at a 635 nm wavelength
One component of a magnetic field has a magnitude of 0.0406 T and points along the +x axis, Determine the angle that the net force makes with regard to the +x axis
A pickup truck is moving at 25 m/s when suddenly the brakes are applied and the truck comes to a stop in 4.7 s. how much time elapses before the tool box strikes the cab
A particle undergoes simple harmonic motion with maximum speed 2 m/s and maximum acceleration 3.7 m/s^2. Find the angular frequency. Find the period. Find the amplitude of the motion.
A potential difference of 87mV exists between the inner and outer surfaces of the cell membrane. The inner surface is negative relative to outer surface. How much work is required to eject a positive sodium ion (Na+) from the interior of the cell.
A newly discovered planet has a mean radius of 2020 km. A vehicle on the planet\'s surface is moving in the same direction as the planet\'s rotation, what is the period of the planet\'s rotation
I have a hill with a roller coaster cart on it and it goes down and around a loop-the-loop the radius of the loop is 10m Diameter=20m There is no friction, what is the height of the hill
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