The following properties of a solid are measured on earth:
II. specific heat capacity
Which of the properties will have a different value if measured in space?
II and III only
A screw jar with tommy bar of lenght 12cm is used to raise a car through a vertical height of 25cm by turning the tommy bar through 50 revolutions. Calculate the approximate velocity ratio of the jack [π=3.14]
Two simple pendula x and y make 400 and 500 oscillations respectively in equal time. If the period of oscillation respectively in equal time. If the period of oscillation of x is 1.5 seconds, what is the period of oscillation of y?
A ball of mass 0.5kg moving at 10ms-1 collides with another ball of equal mass at rest. If the two balls move off together after the impact, calculate their common velocity