Question

A stone is thrown in air with velocity of 20 m/sec at an angle of

30o

to the horizontal.

Find its ( g = 10m/

2

sec

)

1.Maximum height

a) 10 m b) 8 m c) 5 m d) 20 m

2) Time of flight

a) 1 sec b) 2sec c) 3 sec d) 4 sec

3) Range

a)

10 3

m b)

20 3

c)

30 3

d) None

4) Maximum range

a) 20 m b) 40 m c) 60 m d) 100 m​

Answer 1

Answer:

5 m

3 second................