Evaluate (754 mm )/(41 s ) to three significant figures and express answer in SI units using an appropriate prefix. Express your answer to three significant figures and include the appropriate units.

Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.

The momentum of a man riding his bicycle downhill can be calculated. the bicycle and the man have a combined mass of 40 kg. the velocity of the bicycle is 10 m/s. calculate the momentum.

How is density measured? a. area per unit weight b. weight per unit area c. volume per unit mass d. mass per unit volume