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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?
A hair dryer has a power rating of 1400 W at 110 V rms. Assume the hair dryer circuit contains only resistance. What is the rms current drawn by the hair dryer
An Australian emu is running due east in a straight line at a speed of 17.6 m/s and slows down to a speed of 15.7 m/s in 7.7 s. Assuming that the acceleration remains the same, what is the bird's velocity after an additional 2.0 s has elapsed?
If the pressure on a fish increases from 1.20 to 1.30 atm, its swim bladder decreases a volume from 8.19 mL to 7.56 mL, How much work is done on the air in the bladder
At a waterpark, sleds with riders are sent along a slippery,horizontal surface by release of a large, compressed spring.The spring with a force constant k= 3700 N/m and negligible mass rests on the frictionless horizontal surface.
A bungee jumper has a mass of 68 kg. If he jumps off a bridge that is 200. m high and uses a bungee cord that is 75 m long with a spring constant of 20. N/m
A certain Carnot engine produces 200 J of work per cycle, what is the change in entropy of the hot reservoir per cycle
What is an average magnitude of the Pointing vector 5.0miles from a radio transmitter broadcasting isotropically with an average power of 250-kW?
A generator connected to an RLC circuit has an rms voltage of 140 volts and an rms current of 33 mega-amps. what is the inductive reactance of the circuit
The nucleus of the hydrogen atom has a radius of about 1.1 Ã- 10-15 m. find the volume of the nucleus
A walkway suspended across a hotel lobby is supported at numerous points along its edges by a vertical cable above each point and a vertical column underneath. how much does the point move down
In making raspberry jelly, 887 g of raspberry juice is combined with 930 g of sugar. The mixture starts at room temperature, 23.0°C, and is slowly heated on a stove until it reaches 220°F, How much energy does the mixture absorb
Starting from rest at the ground floor, an elevator takes 19.0 seconds for a vertical trip of 70.0 meters. What is the maximum velocity of the elevator
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