An example of a scalar quantity is

Deepthinker581

4 years ago

Electric charge is a scalar quantity. Apart from having a magnitude and direction, a quantity to be termed a vector should also obey the laws of vector addition, such as triangle law of vector addition and parallelogram law of vector addition; only then the quantity is said to be a vector quantity.

Hence the answer is right

TASHAKAYLA

10 months ago

wrong anser

VictorDanboyi

2 years ago

correct

Spakfire 🔥🔥

8 months ago

Very very correct. Check online if you can't find it in ur textbook

BusolamiDorcas

5 years ago

electric charges is a vector quantity

FANCY1234

4 years ago

My school pls correct this, the correct answer is D

xMEx

3 years ago

the correct ans is A becos the wave was read after its reflection by the airplane therefore it covered a distance of 2*d
Hence, your formula would be;
2*d=v*t
Upon getting your ans, converting to km would give you option A i.e 0.6*10^3 or 6*10^2