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Q. On a safari, you are spear fishing while wading in a river. You observe a fish gliding by you. If your line of sight to the fish is 68.0° below the horizontal in air, and Assume the spear follows a straight line path by the air and water after it is free, determine the angle below the horizontal that you must aim your spear gun in order to catch dinner. Suppose the spear gun barrel is 1.70 m above the water surface, the fish is 1.40m below surface, and the spear travels in a straight line all the way to fish.
A 1.50 multiplied by 103kg car starts from rest and accelerates uniformly to 18.50m/s in 13s. Assume that air resistance remains constant at 400N during this time.
WebAssign will do simple calculations for you, using +, -, *, /, parentheses, and E-notation. For instance, if a question asks for half the sum of 246 and 388, you can enter "(246+388)/2".
Does an apple tree exert a gravitational force on the earth and if so, how large of a force? Consider and explain this question when the apple is attached to the tree, and when it is falling.
What is the charge on each sphere if the two charges are alike?
A point moves along the x-axis with its position, x, at time t given by x(t) = t3 - 3t2 + 2t - 1. Which of the following is the acceleration when t = 2?
What are the original charges on each sphere
A hunter aims directly at a target (on the same level) 101m away. If the bullet leaves the gun at a velocity of 203m/s, by how much will it miss the target.
assume a long, straight wire carries a current of 6.5 .what would be the frequency of vibrations.
At what height above the surface of the earth does the balloon have a velocity of 8.10 m/s.
Calculate each star's speed, and state whether it is moving toward or away from us.
compute the magnitude of the magnetic force exerted on it.
A particle moves along the x axis. Its position is given by the equation 2.00 + 3.00t - 4.00t^2 with x in meters and t in seconds. Find out (1) its position at the instant it changes direction and (2) its velocity when it returns to the position i..
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