Ur…….. ANSWERS TIME!
Question 1 answer: 40 seconds
Solution
320m / 8m/sec = 40 sec
D / S = T
Ans: 40 seconds
Question 2 answer: 50m/min
Solution
750m / 15min = 50m/min
D / T = S
Ans: 50m/min
Question 3 answer: (a) 10m/sec
(b) 144km
(c) 150m/15sec
Solution
(a) 1 min = 36km / 60 = 600m
1 sec = 600km / 60 = 10m/sec
(b) D for four hr = 36km/hr * 4hr = 144km
(c) Speed for 15sec: 10m * 15 sec = 150m/sec
Ans: (a) 10m/sec
(b) 144km
(c) 150m/sec
