Explanation:
Density is defined as the ratio of the mass to the volume. The expression for density is:
The Si unit for density is kg/m³
The dimensional expression for density = [ML⁻³]
Specific volume is defined as the ration of the volume to the mass. It is the reciprocal of density.
The BG unit of specific volume is ft³ / lb.
Answer:
Explanation:
Given
Car drives 215 km east and then 45 km North
Displacement is East direction is
Now, the displacement from that to 45 km North is given by
Net displacement is
Magnitude of the displacement is
Answer:
The required frequency = 0.442 Hz
Explanation:
Frequency
where;
Then;
However;
and;
mass
where;
Then;
replacing the values;