Question

Que.2) Answer the following
[10Marks
i) Give difference between : Distance and displacement.
ii) Three resistancs having resistance of 15 22 312 and 4 22 are connected in
series. What is the effective resistance in the circuit?
111) Write Low of conservation of energy ? Give proper example.
iv) Give reason : The velocity of an object at rest is considered to be uni
v) Calculate molecular mass of NaHCO3 (Na=23 , C=12, 0=16, H= 1)
11M​

Answer 1

Answer:

Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.