10 Concept based questions in physics class 9
Answers
Answer:
Question 1.
A object goes from point X to Y and then come back from Y to X. What is the displacement and average velocity?
AnswerDisplacement is zero as it come back to it initial point.
Now Average velocity is given Displacement/time. Since displacement is zero, Average velocity is also zero
Write down the difference between Scalars and Vectors?
Answer
S.No Scalars Vectors
1 It has magnitude only It has magnitude and direction both
2 Example are speed,time,mass,charge Example are velocity,displacement,acceleration,force
Question 3.
Four Cyclist A,B,C ,D starts at the same point and at the same time and move in a straight line to reach destination .They all move with uniform velocities. They reach the destination in the following order
Explanation:
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