Questions by Gary Qian

Questions by Gary Qian

A tube 1.20 m long is closed at one end. A stretched wire is placed near the open end.The wire is 0.330 m long and has a mass of 9.60 g. It is ﬁxed at both ends and oscillates in its fundamental mode.By

asked Mar 18, 2020

1 answer

4 votes

140k views

98 POINT! A wheelchair ramp must form an angle no greater than 4.8 degrees with the ground. If a 1.8 foot high ramp is needed, what is the minimum horizontal length for the ramp so it satisfies the angle

asked Feb 27, 2020

1 answer

2 votes

162k views

What technology and special skills were necessary to build pyramids and ziggurats in ancient Egypt?

asked Jan 20, 2020

1 answer

0 votes

169k views

The law of cosines is used to find the measure of Z. 162 = 182 + 192 – 2(18)(19)cos(Z) 256 = 324 + 361 – (684)cos(Z) 256 = 685 – (684)cos(Z) –429 = –(684)cos(Z) To the nearest whole degree, the measure

asked Nov 8, 2019

2 answers

0 votes

65.7k views

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