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A jet plane lands with a speed of 88 m/s and can accelerate at a maximum rate of -4.40 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?
b) What is the actual minimum distance needed to stop the plane?
c) at what time after touchdown does the plane reach 1/2 the minimum distance determined above?
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A puck of mass m = 1.90 kg slides in a circle of radius r = 23.0 cm on a frictionless table while attached to a hanging cylinder of mass M = 3.80 kg by a cord through a hole in the table
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A generator has a square coil consisting of 500 turns. The coil rotates at 82 rad/s in a 0.49 T magnetic field. What is the length of one side of the coil
a "wien" velocity filter uses an electric field and a magnetic field that are at right angles to each other. what is the energy of the proton beam
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Sodium light of wavelength 589nm falls on a diffraction grating and its first-order peak on a screen 60.0cm away falls 3.32cm from the central peak. How many lines per cm does the grating have
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A -10.5 nC point charge and a + 21 nC point charge are 16.5 cm apart on the x- axis. where the electric potential is zero
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