Q1 one end of a cord is fixed and a small 0500kg object is

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Reference no: EM13350889

Q1. One end of a cord is fixed and a small 0.500kg object is attached to the other end, where it swings in a section of a vertical circle of radius 2.00 m, When angle=20.0 degrees, the speed of an object is 8.00 m/s. At this instant. Find out-

(a) The tension in the string.

(b) The tangential and radial components of acceleration, and

(d) Is your reply changed if the objects are swinging down toward its lowest point instead of swinging up?

Q2. Two identical spacecraft are to be accelerated by rockets. The first rocket fires with a force 4 times as large as that of the second rocket. The acceleration of the first rocket is how many times as vast as the acceleration of the second rocket?

Q3. A converging lens (f = 12.0 cm) is held 7.80 cm in front of a newspaper, print size of which has a height of 2.30 mm. Find out-

(a) The image distance (in cm) and

(b) The height (in mm) of the magnified print.

Reference no: EM13350889

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