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Physical World

Question

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Fill up 3.0 m/s2 =_______km/hr2

Solution

$3 \frac{m}{s^{2} = 3 X \frac{1 m}{1 s^{2}}} = 3 X \frac{1}{1000} k m X \frac{3600^{2}}{1 {hr}^{2}} = 38800 \frac{km}{{hr}^{2}}$

Some More Questions From Physical World Chapter

Would you say that Physics is a science of measurement?

Why do we call physics an exact science?

What is information?

What is technology?

What is the source of energy to which we have to ultimately depend upon?

“Politics is the art of the possible”. Similarly, “Science is the art of the soluble”. Explain this beautiful aphorism on the nature and practice of science.

Who discovered neutron?

Who discovered electron?

Who gave the theory of relativity?

Who gave the law of inertia?

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