Question

Answer this with correct explaination.... answer should be within 85 words +

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Answer 1

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Question 1 ( a)

• When did A started ?

Answer :

• A started at 10:00am

Explanation :

• You can see that A 's arrow Mark is starting at 10:00am so .

Question 2 (b)

• When did B started ?

Answer :

• B started at 11:00am

Explanation :

• As again you can see B's starting point is at 11:00am so .

Question 3 (c)

• When B started , how far away was A from B ?

Answer :

• When B started A was 15km away from B .

Explanation :

• You can see when B was going to start the above dotted lines there at 15km at 11:00am A was . So A was 15km away from B .

Question 4 : (d)

• Did anyone of them move or both of them moved with uniform speed ?

Answer :

• None of them moved with uniform speed .

Explanation :

• As both are speeding up in non-uniform time so none of them moved with uniform speed.

Question 5 (e)

• Which of the two had greater Speed at 10:30am ? which had greater speed at 11:15am?

Answer :

• At 10:30am A's speed was greater . At 11:15am A's speed was greater .

Explanation :

• As At 10:30 B had not started only so A's speed will be higher. and at 11:15 a.m. A's speed was higher as at 11:15 he had reached 18 kilometre but B at 11:15 he had reached 15 kilometre so by this we conclude that A's speed was greater in both..

Question 6 (f)

• When and where did B overtaken A ?

Answer :

• At 11:20 am and At C B had overtaken A .

Explanation :

• You can clearly see B overtaking A at C and which Time ...

Question 7 (g)

• How did B wait for A after reaching the distination?

Answer :

• B waited 30min for A after reaching destination.

Explanation :

• you can see B had reached at 11:30 a.m. and A had reached at 12 noon so the gap between them are 30 minutes so after 11:30 as B reached after 30 minutes A came.

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Hope di you got the answer !!

Answer 2

When did A start ?

→A start at 10:00 am

€ Shown in the graph. See A′s starting point.

When did B start ?

→B start at 11:00 am

€ Shown in the graph. See B′s starting point.

When B started , how far away was A from B ?

→When B started, A was 15km away from B .

€ B started at 11:00 pm & at 11:00 pm A travelled 15 km, So distance gap is 15 km.

Did anyone of them move or both of them moved with uniform speed ?

→ None of them moved with uniform speed .

€ They both travelled equal distance but in unequal interval of time.

Which of the two had greater Speed at 10:30am ? which had greater speed at 11:15am.

→ At 10:30am A's speed was greater . At 11:15am A's speed was greater .

€ At 10:30 B was at rest so A's speed will be higher. At 11:15 a.m. A's speed was higher as at 11:15 he had reached 18 kilometre(speed = 0.24km/min) but B at 11:15 he had reached 10 km (speed = 0.13 km/min). Undoubtedly 0.24 > 0.13.

When and where did B overtaken A ?

→ At 11:20 am and At 20km B had overtaken A .

€ See the graph where both line intersection.

How did B wait for A after reaching the distination ?

→ B waited 30min for A after reaching destination.

€ You can see B had reached at 11:30 a.m. and A had reached at 12 noon so the gap between them are 30 minutes.