Q from t 0 to t 500 min a man stands still and from t

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Q1. From t = 0 to t = 5.00 min, a man stands still, and from t = 5.00 min to t = 10.0 min, he walks briskly in a straight line at a constant speed of 2.1 m/s.

(a) What is his average velocity v avg in the interval 2.000 min to 7.80 min?

(b) What is his average acceleration a avg in the interval 2.00 min to 7.80 min?

(d) What is an avg in time 3.00 min to 9.00 min?

Q2. A vertical scale on a spring balance reads from 0 to 160 N. The scale has a length of 12.5cm from the 0 to 160 N reading. A fish hanging from the bottom of spring oscillates vertically at the frequency of 2.30 Hz. ignoring the mass of the spring, what is the mass m of the fish?

Reference no: EM13354947

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