Question

(a) The graph given alongside shows how the speed of a car changes with time.
(i) What is the initial speed of the car?
(ii) What is the maximum speed attained by the car?
(iii) Which part of the graph shows zero acceleration?
(iv) Which part of the graph shows varying retardation?
40
C
1
30
Speed (km/h
M
10 +A
o
2
6 8 10
Time (in hour)
b) Tvocare having masses in the ratio 4-5. accelerate in the ratio 2.3. Find the ratio of forces exerted by each​

Answer 1

Answer:

Explanation:

Hlo frnd, your answer goes like this

(i) 10 km/hr

(ii) 35 km/hr

(iii) Part BC shows zero acceleration

(iv) Part CD shows varying retardation