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A jet airplane is in level flight. The mass of the airplane is m = 8850 kg. The plane travels at a constant speed around a circular path of radius R = 8.23 miles and makes one revolution every T = 0.109 hours. What is the magnitude of the lift force acting on the plane?
At what angle is the airplane banked?
A capillary-tube viscometer is being selected to measure viscosity of a liquid food, If the tube length is 10 cm and a maximum pressure of 25 Pa can be measured, determine the tube diameter to be used
A high-speed photograph of a club hitting a golf ball. The club was in contact with a ball, initially at rest, for about 0.0028s. If the ball has a mass of 55 g and leaves the head of the club with a speed of 1.8 102 ft/s, find out the average forc..
A boat moves through the water of a river at 9 m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.9 m/s, how long does it take the boat to make a round trip consisting of a 225 m displacement d..
Air in a balloon does 50 J of work while absorbing 70 J of heat. What is its change in internal energy
The bob of a simple pendulum that is 1.00m long is held so the sting is horizontal and just taut. How fast is the bob moving when the string makes a 30.0degree angle with the vertical
A stationary spherical conductor with a radius of 2.00 cm has a potential of -257 V on the surface. What is the impact speed of the proton
the wire unwinds without stretching or slipping, causing the pulley to rotate. Explain how far must the stone fall so that the pulley has 2.70 J of kinetic energy?
The position of an object as a function of time is given by x= bt + ct3, where b = 1.50 m/s and c = 0.640m/s3. calculate the averagevelocity of the object over time intervals
A helium weather balloon is used to lift a meteorological sensor package high up into the atmosphere. Calculate the number of moles of helium in the balloon
A small mailbag is released from a helicopter that is descending steadily at 1.00 m/s. After 3.00 s, What is the speed of the mailbag
A 23-g bullet traveling 270m/s penetrates a 2.2kgblock of wood and emerges cleanly at 215m/s. how fast does it move after the bullet emerges
Two electrodes are placed in a calcium chloride solution and a potential difference is maintained between them. what is the current in the solution
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