With what speed would the arrow leave the bow
An arrow, starting from rest, leaves the bow with a speed of 10.0 m/s. If the average force exerted on the arrow by the bow were doubled, all else remaining the same, with what speed would the arrow leave the bow?
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We choose one of the words in the following sentence uniormly in random and then choose of the letters of that word. Find the probability that the chosen letter is R
What is the magnitude and direction of the electric field at a point midway through -8µC and a 6µC charge 4cm apart.
Three of the 30 balls are selected at random, played with, and then returned to the box. Later, another three balls are drawn at random from the box. What is the probability that all of these three balls are new and have never been used.
How many haircuts worth of hair must be saved to soak up a 2,000 pound oil spill?
A particle starts from the origin at t = 0 with an initial velocity of 4.0 m/s along the positive x axis. If the acceleration is (-5.5 + 2.5 ) m/s2, determine the velocity and position of the particle at the moment it reaches its maximum x coordin
How much carbon is present in the entire atmosphere lying above each square meter of the earth s surface?
In general, when is the median preferred to the mean as measure of location? In general, when is the mode preferred to the mean as measure of location?
A slide projector needs to create a 84 cm high image of a 2.0 cm tall slide. The screen is 240 cm from the slide. Assume that it is a thin lens. (a) What focal length does the lens need? (b) How far should you place the lens from the slide?
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