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Question: A rock thrown with speed 12.0m/s and launch angle 30.0 degrees (above the horizontal) travels a horizontal distance of d = 15.5m before hitting the ground. From what height was the rock thrown? Use the value g = 9.810m/s2 for the free-fall acceleration.
Part A: Find the height yi from which the rock was launched.
I need help to find the height yi from which the rock was launched.
A 1.0 kg block is attached to a spring with spring constant 18.0 N/m. While the block is sitting at rest, a student hits it with the hammer and almost instantly gives it a speed of 41.0 cm/s. What is the amplitude of the subsequent oscillations? The ..
A capillary tube with a closed end is place into water. The pressure on free water surface is 1 bar. Determine the air pressure inside the capillary tube
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a mass m1 7.98kg is at rest on a frictionless horizontal surface and connected to a wall by a spring with k 64.6 nm. a
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A point charge of +Q is placed at the center of a square, and asecond point charge of -Q is placed at the upper-left corner. It is observed that anelectrostatic force of 2.0 N acts on the positive charge at the center. What is the magnitude of the..
a 15.0 kg stone slides down a snow-covered hill leaving point a with a speed of 10.0 ms. there is no friction on the
A compound microscope uses a 73.0mm lens as the objective and a 2.1cm lens as the eyepiece. find the total magnification produced by the microscope
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