Question

answer my all numericals I will mark you the branlist if all the answers were correct with the correct process.​

Answer 1

Explanation:

Correct option is

A

20m/s

average speed =

total time

total distance

=

40

20

+2

20+30

=

(

2

5

)

50

=20ms

−1

Answer 2

Answer:

$speed = \frac{distance}{time \: taken}$

Explanation:

1) 65 cm/sec

2) 216 Km/h

3) 100 mm/sec

4) 4 hour 30 min