Jet plane lands
A jet plane lands with a speed of 102 m/s and can accelerate at a maximum rate of -4.80 m/s2 as it comes to rest.
(a) From the instant the plane touches the runway, what is the minimum time needed before it can come to rest?
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A jetliner is moving at a speed of 271 m/s. The vertical component of the plane's velocity is 24.9 m/s. Determine the magnitude of the horizontal component of the plane's velocity.
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What has caused great suffering in Sudan?
A man weighing 650 and a woman weighing 440 have the same momentum. What is the ratio of the man's kinetic energy to that of the woman ?
An electron (mass m = 9.11 10-31 kg) is accelerated in the uniform field E (E = 1.95 104 N/C) between two parallel charged plates. The separation of the plates is 1.20 cm. The electron is accelerated from rest near the negative plate and passes th
a 755 N diver drops from a board 10.0m above the water's surface. find the speed of the diver at 5.00m above the water's surface. find the speed of the diver just before strinking the water.
Superman meets an asteroid in outer space and hurls it at 90 m/s. The asteroid is five hundred times more massive than Superman is. In the strip, Superman is seen at rest after the throw. Taking physics into account, what would be his recoil speed
Block a abd block b weights 4.20N. The coefficient of kinetic friction between all surfaces is 0.30. find the magnitude of the horizontal force F necessary to drag block b to the left at constant speed if a and b are connected by a light, flexible
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