Question

If a ball is thrown with 100 m/s making angle 30° from horizontal then calculate flight time and range. ​

Answer 1

Answer:

${\huge{\boxed{\mathcal{ \red{✍︎✍︎ Bᴇsᴛ Aɴsᴡᴇʀ:-}}}}}$

Horizontal range is given by,

R = u² sin2x/g

Given, u = 100 m/s, angle x = 30°, g = 10 m/s²

Putting values, we get

R = 100² × sin60°/ 10

R =(100 × 100 × √3)/20 = 17320/20

R = 866 m

Answer 2

Answer:

Which of the following is a hard material?

(a) Chalk (b) Wool (c) Cotton (d) DiamondWhich of the following is a hard material?

(a) Chalk (b) Wool (c) Cotton (d) Diamond

Explanation: