Answer:
Option A is the correct answer.
Explanation:
The instantaneous acceleration = Change in velocity in velocity/Time taken
The slope of the graph should give instantaneous acceleration.
Slope of a graph = Change in value of Y -axis / Change in values of X -axis
Comparing both the equations
Change in value of Y -axis = Change in velocity in velocity
Change in values of X -axis = Time taken
So velocity values should be on the Y axis and Time values should be on the X axis.
Option A is the correct answer.
As you inhale, your ribs move up and out decreasing the internal pressure and increasing the volume of the lungs forcing air into the lungs from an area of externally high pressure in comparison to the low internal pressure.
If its uniform there is no force.
C) 0 N
Answer:
It would be cut in half.
Explanation:
If the momentum of the ball is cut into half, the velocity will also be halved.
The momentum of a body is the amount motion a body possess.
Momentum is given as;
momentum= m x v
Given that;
mass = 1kg
velocity = 12m/s
Now find the momentum;
momentum = 1 x 12 = 12kgm/s
Halving the momentum = 6kgm/s
mass = 1kg
Momentum = 1 x v
6 = 1 x v
v = 6m/s
We see that the velocity reduces by half
Answer:
The polarization is defined by the plane in which the electric field is oscillating.
Explanation:
The polarization of an electromagnetic wave depends on the direction of the electric field. If the electric component is oscillating along the x-axis, the polarization will also be along the x-axis.
The polarization of the electromagnetic wave describes the magnitude and the direction of the electric field of the wave.
<u>The polarization is defined by the plane in which the electric field is oscillating.</u>
