Question

A new approach to icse physics workbook answers for
class 9 part 1

Answer 1

Explanation:

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Answer 2

Explanation:

a train starting from rest,picks the speed of 20 m per second in 200 seconds and it continuous to move the same rate for next 500 seconds and then brought to rest in next 100 seconds

a.)plot a speed time graph

b.)from graph calculate

1.uniform rate of acceleration

1.uniform rate of acceleration 2.uniform rate of retardation

1.uniform rate of acceleration 2.uniform rate of retardation 3.)the total distance covered befor stopping 4.average speed