Which best explains why replicating an experiment should be done by someone other than the person who originally did the experiment? a It shows that the results are the same using different methods.
b It shows that the experiment is easy to do.
c It shows that the results are as expected.
d It shows that the experiment is designed properly.

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

What is the speed of an object at a given moment?