Question

all formulas of NCERT class 9 force and laws of motionl​

Answer 1

Answer:

1. speed = total distance travelled / time required. 2. velocity = displacement / time. 3. (a) acceleration = change in velocity / time. (b) acceleration = a = final velocity - initial velocity / time. 4. three equations of motion:- ... 5. rate of change of momentum = change in momentum / time.