Both hemispheres are warmer in their Spring than they are
in their Winter, because . . .
A). the sun climbs higher in the sky during Spring than it does during
WInter ... shooting its rays more directly at the ground ...,
and
B). the sun stays up in the sky longer in Spring than it does in
Winter, giving the ground more time to absorb its rays.
We know that 20 m/s N is a vector quantity because N in the expression signifies the direction
<h3>What is a vector quantity?</h3>
This is a which have both magnitude and direction. Example include:
- Velocity
- Displacement
- Force
- Acceleration
- Moment
- Weight
<h3>How to determine whether 20 m/s N is a vector quantity</h3>
- 20 m/s indicates just the speed i.e magnitude
- 20 m/s N indicates the speed i.e magnitude why the N indicates the direction.
Thus, we can conclude that 20 m/s N is a vector quantity because it has both magnitude and direction.
Learn more about scalar and vector quantity:
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Answer:
The voltage of the battery
Answer:
A. Speed is a scalar quantity and velocity is a vector quantity.
Explanation:
A scalar quantity is one that consists of only a numerical value.
Speed is a scalar quantity because only the instantaneous value is indicated, for example the speedometer of a car that tells you your speed at the moment but not where you are going or in what direction are you going.
On the other hand, velocity is a vector quantity. Because it is composed of a <u>magnitude and a direction</u>, for example 10m/s to the south is a velocity, and 10m/s is a speed.
I believe it’s B but I suggest u chec
