Question

At time t 1 min car is travelling at a velocity
of 20 metres per second, and at time t = 2
min the car reaches a velocity of 40 metres
per second what is the acceleration?
Ans​

Answer 1

Explanation:

dont know bro sorry I try my level best.

Answer 2

Answer:

9. The following figure relate to wage payments in two firms A and B.

Firm A

Firm B

Mean

75

80

Median

72

70

Mode

67

62

Quartiles

62 and 78

65 and 85

Standard Deviation

13

19

Compare the features of two distributions.