lf velocity of a particle is given by V=10+2t2 m/s. The average accele

1.	lf velocity of a particle is given by V=10+2t2 m/s. The average acceleration between 2 and5 s is(1) 2 m/sC-7.(2) 4 m/s(3) 12 m/s(4) 14 m/s?The distance covered by the body in time 't is proportional to the square of the time t. The accelerationof the body is(1) increasing(2) decreasing(3) zero(4) constant
Answer» c-8 , Given x ∞ t² => dx/dt = v ∞ 2t => d²x/dt = dv/dt = a ∞ 2 is constant so, option 4. 😃 c7 bhi sol. of c7

lf velocity of a particle is given by V=10+2t2 m/s. The average acceleration between 2 and5 s is(1) 2 m/sC-7.(2) 4 m/s(3) 12 m/s(4) 14 m/s?The distance covered by the body in time 't is proportional to the square of the time t. The accelerationof the body is(1) increasing(2) decreasing(3) zero(4) constant

Answer»

c-8 , Given x ∞ t² => dx/dt = v ∞ 2t => d²x/dt = dv/dt = a ∞ 2 is constant

so, option 4.

😃

c7 bhi

sol. of c7

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