Question

9. The basic unit of speed is:
(i) km/min
(ii) m/min
(iii) km/h
(iv) m/s
10. A car moves with a speed of 40 km/h for 15 minutes and
speed of 60 km/h for the next 15 minutes. The total distance
the car is:
(i) 100 km
(ii) 25 km
(iii) 15 km
(iv) 10 km
11. Suppose the two photographs, shown in Fig. 13.1 and Fi
been taken at an interval of 10 seconds. If a distance of
is shown by 1 cm in these photographs, calculate the
fastest car.
Tin 13 15 shows the distance-time graph for the motion o
19​

Answer 1

Answer:

i )m/d

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Answer 2

Answer:

1st ans is option 3

2nd ans is option 1

3rd ans is i don't know

Explanation:

pls sorry not not knowing the ans of other ones

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