HPD near
24 A solid metal cube of side 10cm is heated from
10°C to 60°C. If the linear expansionity of the
metal is 1.2 x 10'K', calculate the increase in its
volume.
s is
Orm3
th

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.