Answer:
Option c that it means cm/year.
Explanation:
Nm means nanometer, 1x10^9m
Km/s^2 is acceleration
h.. it may be height
Explanation:
For North America,
Power, P = 26 W
Voltage of AC razor, V = 120 V
For Europe,
Voltage of AC razor, V' = 220 V
The power of razor in North America is given by :

Let P' is the power consumed by razor in Europe. Now,

So, the razor consumed 87.38 watts of power as it is ruined.
Answer:
option B
Explanation:
When a body is immersed in liquid there will be two force is acting on the body.
First one force acting downward due to weight of the body.
And the second force acting on the object will be buoyant force.
If the object is not in equilibrium the apparent weight will be equal to net force acting on the object.

W is the weight of the object acting downward
Fb is the buoyancy force acting upward on the object.
Hence, the correct answer is option B
The pressure of blood exerted on the inner walls of the veins