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Calculate the change of momentum of a volume of 18 m3 of air (density of 1.3kg/m3) initially stationay being hit by a sky diver traveling 68 m/s. (please include the correct units and explain each step).
A test sled has a mass of 400 kg and is acted on by a thrust force of 200,000 N. It also experiences a viscous drag of 1600•V where V is the velocity. Find the 'terminal velocity' of the sled
A 4.9 kg particle and a 2.7 kg particle have a gravitational attraction with a magnitude of 2.6 ? 10-12 N. What is the gravitational potential energy of the two-particle system
A tube of mercury with resistivity 9.84*10^-7 *m has a 23 N/C electric field inside the column of mercury. How much current is flowing, if the diameter of the tube is
You are working out on a rowing machine. Each time you pull the rowing bar (which simulates the oars) toward you, find the magnitude of the force that you exert on the handle
A 5.0-kg projectile is fired over level ground with a velocity of 200.0 m/s at an angle of 30.0 ° above the horizontal
the displacement of a wave traveling in the negative y-direction is dyt 5.00cm sin 6.50 y 60.0 t where y is in m
A ray of light traveling through air encounters a 1.4cm -thick sheet of glass at a 35? angle of incidence. Assume n = 1.5. How far does the light ray travel inside the glass before emerging on the far side?
The coefficient of volume epansion for diesel is 9.5*10 to the power of negative 4 degrees celcius an the coefficient of linear expansion for the steel truck is 11 times 10 mto the power of negative 6 degrees celcius.
It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.175 s, elucidate what is the average force exerted on the ball by the wall?
A rectangular air mattress is 2.0 meter long, 0.50 meter wide and 0.08 meter thick. If it has a mass of 2.0 kilogram, obtain what additional mass can it supports in water
You drive north on a highway, then, without changingspeed, you round a curve and drive east. What is the changer of your velocity and your acceleration
Suggest a proper answer with proof for if frequency of incident radiation is doubled, what will be the effect on maximum kinetic energy of photo electrons
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