Questions by Niema

Questions by Niema

(Help please!!!) EXPLAIN HOW lubricant affects the efficiency and the frictional forces of a machine.

asked Jan 5, 2018

2 answers

0 votes

103k views

The label on a tub of margarine states that 100 g of the margarine contains 0·70 g of sodium. The sodium is present as sodium chloride. Calculate the mass of sodium chloride, in grams, present in a 10

asked Jun 11, 2017

1 answer

1 vote

158k views

Who would be harder to stop: a professional hockey player skating 4 m/s or a fifth grader sharing at 4 m/s and why

asked Jan 16, 2017

1 answer

2 votes

176k views

Which of the following statements best describes the Lend-Lease program initiated by the United States during the early part of World War II?

asked May 7, 2016

1 answer

3 votes

89.3k views

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