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A 873 kg dragster, starting from rest, attains a speedof 26.3 m/s in 0.59 s.
A) find the average accerleration of the dragster during thistime interval?
B) What is the size of the average force on the dragster duringthis time interval?
C) Assume the driver has a mass of 68 kg. What horizontal forcedoes the seat exert on the driver?
D) Is the driver's mass in part C an inertial mass or agravitational mass?
A rectangular coil 21cm by 37cm has 100 turns. This coil produces a maximum emf of 69V when it rotates with an angular speed of 200rad/s in a magnetic field of strength B
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a woman can read the large print in a newspaper only when it is at a distance of 64 cm or more from her eyes. a is she
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Near the surface of the Earth there is an electric field of about 150 V/m which points downward. Use conservation of energy to determine the difference in the speed of the two balls when they hit the ground
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You do 220 J of work pulling your sister back on a swing, whose chain is 5.00 m long, until the swing makes an angle of 30.0 degrees with the vertical, What is your sisters mass
A charge of -3.2 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass, which has a radius of 0.099 m. The charges on the circle are -3.95 µC at the position due north and +5.45 µC at the position du..
Find the change in entropy in the universe. Now, two identical ideal oxygen gases with the same pressure P=1 atm and the same number of particles N = 10^22, but di erent temperature T1 = 30 C and T2 = 40 C,
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