Explain the aerodynamic drag and gravitational force
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A cyclist is moving along a straight path at a speed of 18 mph. µs = µd = 0.43. Determine the minimum distance h required for her to come to a complete stop, assuming both tires brake and remain in contact with the ground.
At he passes next to an observer on the space station (x=x'), the observer sees the pilot lit up at the same time by both lights. A) Describe what the pilot sees as he flies past the space station at the instant of x=0
The number of goals scored in a hockey match between the home team (X) and the visiting team (Y), respectively follows each of the probability distributions given below:
Water is pumped to 25 bar and 50 degrees C (State 4) in an adiabatic pump. (a) Calculate thermal efficiency (%) of the cycle.
A 32,000 kg airplane begins to climb at an angle of 3 degrees. Its initial speed is 150 m/s, and after one minute its speed has increased to 170 m/s. The airplane experiences an aerodynamic drag force D that opposes its velocity.
A manufacturer of semiconductors has a 20 % defect rate in the semiconductors produced. Every hour, fifteen semiconductors are selected at random and inspected for defects. If more than two defectives in fifteen are observed, the process is stoppe
What is the potential difference across the headlight bulbs when they are the only load on the battery? (Give your answer to four significant figures.)
A 50 kg copper block initially at 350 degree C is quenched in a closed, rigid insulated tank containing 120 L of liquid water at 25 degree C.
A particle m weighing 0.6 lb has slid down a curved track and is currently at the bottom, moving to the right with a velocity of vm = 2et ft/s. The radius of curvature at this position is 8 feet, and the coefficient of dynamic friction is μd =
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