Question

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Exercise-2
OBJECTIVE QUESTIONS
1.
If the distance travelled by an object is zero, then the displacement of the object is
(A) zero
(B) not zero
(C) negative
(D) may or may not be zero
2.
Ram reached Rahul's house walking 10 km in 20 minutes towards south. Displacement will be
(A) 0.5 km in south direction.
(B) 10 km in south direction,
(C) 0.5 km in north direction.
(D) 10 km in north direction.
3.
The velocity of an object can be changed by
(A) changing the speed
(B) changing the direction of motion
(C) changing both the speed and direction of motion
(D) all (a), (b) and (c) are true.
4.
An object is moving with a velocity of 2 ms. Its velocity changes at a uniform rate to 5 ms. The
average velocity of the object is
(A) 3 ms-
(B) 3.5 ms-1
(C) 4 ms-
(D) 5.5 ms
give me the correct answer 9nly​

Answer 1

Answer:

oh ho this is very difficult Corrosion is a natural process that converts a refined metal into a more chemically stable form such as oxide, hydroxide, carbonate or sulfide. It is the gradual destruction of materials by chemical and/or electrochemical reaction with their environment. Wikipedia

Answer 2

Answer:

1. A)

2.C)

3.D)

4.B)

I think its help you