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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.
Assuming the sled starts from rest, how long before the sled travels 2000m?
How fast it is traveling as it passes through this distance?
Find the 'terminal velocity' of the sled.
How far does it travel before achieving 90% of the terminal velocity?
Two automobiles drive in the same direction next to the highway. Each moves initially at speed v = 30 meters per second, (that's 67.11 miles per hour) and the distance between them is D meters.
two masses m1=2.0kg and m2=3.5kg are connected by a thin string running over a massless pulley. what is the acceleration of the masses
A stone is thrown outward from the top of a 59.4m high cliff with an upward velocity component of 19.5 m/s. How long is the stone in the air
A 3.50-kg steel ball strikes a wall with a speed of 13.0 m/s at an angle of ? = 60.0° with the surface. what is the average force exerted by the wall on the ball
A common belief is that a hole in a jet plane can suck a person out, Calculate the fractional difference between this force and the weight wman of a typical adult male (185 lb)
Find out whether or not the measurement of net income for a merchandising company conceptually is the same for a service company.
Suppose 2.5 cubic meter of oil is spilled into the ocean. Find the area of the resulting slick, assuming that it is one molecule thick
What are the lowest and the highest frequencies. calculate the acceleration of the crate.
Suppose a particle with mass m is released from rest in a uniform gravity g, write down the relativistic equation of motion and find an expression that gives the relationship between velocity and time
Two ice skaters, with masses of 30.0kg and 75.0kg , are at the center of a 30.0m -diameter circular rink. how long does the lighter skater take to reach the edge
a police camera is designed to read the plate number on a speeding car. what is the diameter of the camara's aperture
A 14-Ω coffee maker and a 14-Ω frying pan are connected in series across a 120-V source of voltage. Find the total current supplied by the source of voltage
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