Question

Questions
Activity 8.1 Are the walls of your house at rest or in motion. Explain.
Activity 8.2 Have you ever experienced that the train in which you are sitting appears to
move while it is at rest? Share your experience.
Activity 8.3 Walk from one corner of a room in your house to its opposite corner along
its sides. Measure the distance covered by you and magnitude of the displacement. Wha
difference would you notice between the two in this case? (Answer should be in metre)
Activity 8.4 Automobiles are fitted with a device that shows the distance travelled. Su
a device is known as an odometer. A car is driven from Bhubaneshwar to New Delhi, T
difference between the final reading and the initial reading of the odometer is 1850k
Dolby​

Answer 1

Answer:

Explanation:

1) motion depends on perspective . The walls are moving as the earth is moving .But , since we are also moving ,we feel that the walls are in rest .

2)yes ,if a train passes in another track ,we fell that our train which is at rest is moving .

3) The room of my house is rectangular with length 20 m and breadth 15m .

distance =length + breadth = 20 +15 =35 m

displacement =diagonal = $\sqrt{20^{2} - 15^{2} }$ = 13.2287m

4)The total displacement between Delhi and Bhubhaneshwar is 1308.32 km.

Hope these answers help .

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Thank you :):)