Determine the extra work
If it takes 4.00 J of work to stretch a Hooke's-law spring 10.0 cm from its unstressed length, determine the extra work required to stretch it an additional 10.0 cm.
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A boat crosses a river of width 130 m in which the current has a uniform speed of 1.57 m/s The pilot maintains a bearing perpendicular to the river and a throttle setting to give a constant speed of 0.957 m/s relative to the water.
A baseball is hit with a speed of 30.0 ms-1 at an angle of 50.0 degrees. It land`s on the flat roof of a nearby building with a height of 13m. If the ball was hit when it was 1.5 m above the ground, what horizontal distance does it travel before
What would make a personality test reliable and valid?
what is the net force that acts on the plane's 78 kilo pilot? And if the plane could fly without this pilot, how much force would the plane need to maintain the same acceleration?
Submit a research paper that focuses on major developments in health insurance during a specific period of time.
On a sheet of graph paper, draw the two complex numbers A = 2 + i and B = 1 + 2i. Draw the complex number C = A + B and verify that it corresponds to the usual "tip-to-tail" or "parallelogram" method of adding vectors.
What speed do they measure? Express your answer as a multiple of c. Hint: you should not have to do any calculations.
A 55.0 kg girl weighs herself by standing on a scale in an elevator. a) What is the force exerted by the scale when the elevator is descending at a constant speed of 10 m/s?
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