Question

A ball falls off the table and reaches the ground in 2s. Assuming g=10~m/s^{2} calculate its speed on reaching the ground and the height of the table.​

Answer 1

Answer:

Explanation:

V=U+GT

V= 0+10*2

 = 0+20 = 20M/S

HEIGHT OF THE TABLE

S= UT+I/2 GT SQUARE

S= 0*2 + 1/2* 10*2

= 0+10

S=10 M