February 27, 2015

Homework Help: Physics

Posted by y912f on Friday, January 30, 2009 at 12:23pm.

Please check these answers[my letter choice is in CAPS]:
1. In the steps of the scientific method, what is the next step after formulating and objectively testing hypotheses?
A. interpreting results
b. stating conclusions
c. conducting experiments
d. making observations and collecting data

2. The radius of Earth is 6370000 m. Express this measurement in km in scientific notation with the correct number of significant figures.
a. 6.37 * 10^6 km
B. 6.37 * 10^3 km
c. 637 * 10^3 km
d. 63.7 * 10^4 km

3. A newton is equivalent to which of the following quantities?
a. kg
b. kg*m/s
C. kg*m/s^2
d. kg*(m/s)^2


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