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Type A nerve fibers in humans can conduct nerve impulses at speeds up to 140m/s
a) How fast are the nerve impulses in miles per hour?
b) How far (in meters) can the impulses travel in 5.0ms?
You work for a moving company and are given the job of moving two crates (masses are 130kg and 280kg) held together by a rope attached between the two. You pull on a rope attached to the larger crate giving the system the acceleration of 0.29m/s2. Wh..
A spring is initially compressed by 17.5 cm. If it takes 7.166 J of work to compress the spring an additional 3.5 cm, what is the spring constant of the spring
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A 52-kg pole vaulter running at 13 m/s vaults over the bar. Her speed when she is above the bar is 1.0 m/s, determine her altitude as she crosses the bar
Coil 1 has L1 = 47 mH and N1 = 104 turns. Coil 2 has L2 = 68 mH and N2 = 215 turns. The coils are fixed in place; what self-induced emf appears in that coil
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One can not align the apparatus to eliminate entirely the effects of the Earth's magnetic field. calculate the component of the earth magnetic field perpendicular to the entering electron beam
The car's motion can be divided into three different stages: its motion before the driver realizes he's late, its motion after the driver hits the gas (but before he sees the police car), and its motion after the driver sees the police car. Which of ..
A tube is open only at one end. A certain harmonic produced by the tube has a frequency of 470 Hz. What is the length of the tube
What is the force of gravity on the satellite if it moves towards Earth so its distance is now one half the original distance and
The bright core of a certain Seyfert galazy had a luminosity of 10^10 L. The luminosity increased by 100% in a period of 18 months. How does this compre to the diameter of the Milky Way
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