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Is accelaration directly proportional or inversely proportional to the force?
Directly. That's why you can't move a car by blowing on it.
Class 9 -what is the formulae for finding retardation in physics?
Retardation or deceleration is negative accelaration formula for finding retardation is same as that of accelaration: v-u/t, where v is the final velocity, u is the initial velocity and t is the time taken. eg- a bus is travelling at 20 m/s. Brakes are applied to stop the bus. The total time taken by the bus to stop is 2 s. Find its retardation. ans- v=0; u=20; t=2 accelaration= 0-20/2 a= -10 m's^2 retardation= 10 m/s^2 (because retardation is negative accelaration)
How do you find velocity given only the time?
You cannot. You must have distance (or displacement). If you know it is from a standing start then accelaration will do.
What is constant accelaration?
M/s -1 - For example gravity has a constant acceleration of 9 M/s -1
What factors are involved in determining stopping distance of a toy car?
arent u a science student? its simple. time,initial velocity,accelaration the formula is; v2=u2+2as here v is final velocity u is innitial velocity a is accelaration s will be3 the stopping distance okkkk!!
