Question

if the speed of ball is 143 km/h and boundary is 63m long from the batsman.Find out the force that required to batsman to shot six​

Answer 1

Answer: The force needed is 24.86 N.

The force can be calculated using simple equations of parabola. The ball will have the same speed plus the force of the batsman after the batsman hits it.

Let, force of batsman= F

Here,

Speed of ball, V= 143 Km/h= 39.72 m/s

Speed of ball after the batsman hits it= (V+F) Km/h

Length of boundary, R= 63 m

Angle of shot, a= 45 degrees

Gravitational force, g= 9.81 m/s

We know,

R= v2sin(2a)/g

or, R= (V+F)2sin(2a)/g

or, (V+F)2=Rg/sin(2a)

or, V+F= root Rg/sin(2a)

or, F= [root Rg/sin(2a)] - V

or, F= 24.86

The force needed is 24.86 Newton.

Answer 2

Answer: 2713N

Explanation:

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