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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?
Two people stand 3 m away from a large plane mirror and spaced 3.8 m apart in a dark room. At what angle of incidence should one of them shine a flashlight on mirror so that the reflected beam directly strikes the other person.
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a cylindrical copper rod has resistance of 0.3 ohm. it is reformed to 3.8 timesm its original length with no change of
Sucrose is allowed to diffuse along a 8.0 cm length of tubing filled with water. Thetube is 6.2 cm2 incross-sectional area. The diffusion coefficient is equal to 5.0 X10-10 m2/s, and 8.0 X 10-14kg is transported along the tube in 11s.
The terminal voltage of a certain battery is measured with the battery disconnected and is found to be 6.36 V. The internal resistance of the battery is 1.05 ?. Find the voltage across the battery terminals when there is a current of 1.92 A from the ..
A light wave in air is incident on a water surface, (a) At what angle of incidence are the reflected and refracted waves at right angles to each other? What is the reflectivlty of the water for normal incidence? (c) At what angle of incidence is this..
a 562 n physics student stands on a bathroom scale in an 824 kg including the student elevator that is supported by a
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Monochromatic light falls on two very narrow slits 0.050 mm apart. Determine the wavelength (in nm) and frequency of the light
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