Question

TauuvaniStil Renowheu lleneuluai utaVIIDAM
Class - 7th
No/ Student ID. 19.2.2010 11...Name...Anshu.
PART-I
SCIENCE
An object may appear to be moving to one person and the same object may appear to be at rest to the
another person. This statement is
(A) always correct
(B) always false
(C) some times correct and some times false (D) cannot say
A particle is moving in a circle of diameter 10m. The distance covered by it on completing 2 revolutions is
(A) 40m
B) 20m
(C)20 gm
(D) zero
A person moves through 100m in going from A to B and travels the same distance in returning from B to A. Hi
displacement is
(A) 100m
(B) 200m
(C) 100/2m (D) zero
A cyclist goes once round a circular track of diameter 105 meter in 5 minutes. What is his speed.
(A) 1.1 m/s (B)21.2 m/s (C0.11 m/s (D) 11 m/s
IfC. Fand K are temperature on celsius, Fahrenheit and Kelvin scales, AC, AF and AK are the change
temperatures in celsius, Fahrenheit and Kelvin scales respectively, the correct relation among the following
C F K-273
AC AF AK​

Answer 1

Answer:

Explanation:

Yes, this is possible. For example, if you and I am travelling in a vehicle, I will be at rest for you and you will be at rest for me. Here, the reference point is taken inside the vehicle. However, if the reference point is taken out of the vehicle,such as a tree, then, both of us are at motion for the people who are standing outside the vehicle.

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