Question

5. A car travels from stop A to stop with a
speed of 30 km/h and then returns back to A
with a speed of 50 km/h. Find
(1) displacement of the ear.
(11) distance travelled by the car.
(III) average speed of the ear.
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Answer 1

Answer:

displacement is zero

distance=30+50

=80km/h

average speed=total distance/tatal time

(sorry can't solve average speed due to problem)

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Answer 2

Answer:

Hey mate here is your answer.

Explanation:

speed of car from A to a:30 km/h,

speed of car from a to A back:50 km/h

• displacement is 0 (because the car return backs from where it starts.)

• hey mate for finding distance we need both time and speed but you gave only speed didn't gave time check one.
• average speed for it also we need time mention time please.
• for example if we take time as 2 hours from A to a and 1 hour from a to A then thee average speed will be : 50+30/2+1
• 80/3=26.6 km/h

Sorry if i can't help check the question ones.

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