Question

Calculate the pressure exerted by ball falling on earth.
•m = 50g
Spherical ball having
• radius = 5 cm​

Answer 1

Answer:

15.9 n/m

Step-by-step explanation:

mass of ball,m = 50g = 0.05 kg.

radius of spherical ball, r = 5 cm = 0.05m surface area of spherical ball, A=4πr^2

= 4x 3.14 x (0.05)

= 4x 3.14x 25 x 104

= 3.14 x 10-2 m

Now, pressure = weight of ball/surface area of ball

= (0.05 x 10)/(3.14 x 10^-2)

= 15.9n/m

Answer 2

Answer:

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