Question 1
a) Draw a scale of vernier calipers whose reading is 0.06cm
b) The reading given above is the diameter of a sphere whose mass is 40g.
Calculate its density
Answer
a)
b)
b)
Question 2
A body dropped from rest falls half its total distance in the last second before it strikes the ground. From what height was it released
Answer
Question 3
Explain the following observation;Rain drops falling freely are spherical
Answer
Cohesive force in water molecules is high
Question 4
The figure below shows a force of being applied to exert pressure on a gas in cylinder
The area of the piston is 10cm2 and the volume of the gas is 20cm3 .Calculate the pressure exerted by the piston on gas
Answer
Clockwise moments = anticlockwise moments
Question 5
The diagram in figure 2 below shows a bimetallic strip at room temperature
Sketch a diagram to show the appearance of the bimetallic strip if put below 00
Answer
