Question

please answer the 3rd question .​

Answer 1

Step-by-step explanation:

S = UT + 1/2 AT^2

U = 0 SINCE AT REST.

50 = 1/2 * 9.8 T^2

100/9.8 = T^2

T =

$\frac{10}{ \sqrt{9.8} }$

Answer 2

Answer:

Step-by-step explanat

S = UT + 1/2 AT^2

U = 0 SINCE AT REST.

50 = 1/2 * 9.8 T^2

100/9.8 = T^2

T =

\frac{10}{ \sqrt{9.8} }