Explanation
We know that for the vehicle bankingon a curved path, tanθ=v2rg.
Here, the vehicle moves with velocityv and radius of curvature R and width is b.
So, here θ is small (refer figure) and thus, sinθ=hb=tanθ.
Now, we can equate hb=v2Rg⇒h=bv2Rg, will be the required elevation between the outer and inner edges of the road.
A stationary ball weighing 0.25 kg acquires a speed of 10 m/s when hit by a hockey stick. The impulse imparted to the ball is:
A and B:|atangential|=g which is maximum and radial acceleration is between\ maximum and minimum when string makes 900.
⇒ A is not correct, B is correct. C is not correct as tangential acceleration and radial acceleration can become equal multiple times in a circular motion.D is correct because radial acceleration becomes maximum at the bottom most point where tangential acceleration is zero.
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