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A Cessna aircraft has a lift-off speed of 120 km/h.
(a) What minimum constant acceleration does the aircraft require if the aircraft is to be airborne after a takeoff run of 280 m?
(b) How long does it take the aircraft to become airborne?
A standard tournament domino is 1.5 in wide and 2.5 in long. What relative speed is required
A ball is thrown vertically upward with a speed of 1.63m/s from a point 4.21m above the ground. What is the time at which it will reach the ground.
The deepest place in all the oceans is the Marianas Trench, wherethe depth is 10.9 km and the pressure is 1.10E+8 Pa, by how much does its volume decrease
Two rigid rods are oriented parallel to each other and to the ground. The rods carry the same current in the same direction. Determine the current in the rods
suppose you were on the moon instead of on the earth. Assuming your average reaction time is the same, how far would the yardstick fall
Draw a plot of ct vs x showing the positions of the three spaceships and of the light pulses vs. time, in Earth's frame. Find the times, according to the Earth frame, at which the pulses from ships C and A reach ship B.
A person whose mass is m = 59.5 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle ? = 25.5° with the horizontal. What is the reading on the scale
Objective questions based on momentum and force.
A uniform electric field points midway between the positive x and y axies. Its strength is 100Volts/m. Find the location of the point where the total electrid field is zero
One particle has a mass of 4.41 x 10-3 kg and a charge of +6.92 ?C. A second particle has a mass of 6.52 x 10-3 kg and the same charge. The two particles are initially held in place and then released.
You're standing in waist-deep water with your eyes 0.44 m above the surface. A fish is swimming 0.55 m below the surface. How far (horizontally) from you is the fish
Before opening his parachute, a sky diver with a mass of 90.0 kg experiences an upward force from air resistance of 150 N. What is the sky diver's acceleration
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