Questions and answers by

Desperate Student

Questions (17)

What is the polar form of (-2-2i)?
1. 1 answer
2. 464 views
Let 𝑆 be the region (in the first quadrant) bounded by a circle 𝑥^2 + 𝑦^2 = 2, 𝑦^2 = 𝑥 and the 𝑥-axis(ii) Find
1. 1 answer
2. 713 views
Let 𝑅 be the region bounded by the four straight lines 𝑦=𝑥, 𝑥+𝑦=4, 𝑦=𝑥−2 and 𝑥+𝑦 = 2. Find the
1. 1 answer
2. 1,009 views
Find the arc length of the curve𝑥(𝑡)=cos𝑡+𝑡sin𝑡, 0≤𝑡≤𝜋/2 𝑦(𝑡) = sin 𝑡 − 𝑡 cos 𝑡 ^2
1. 1 answer
2. 588 views
Find the volume of the solid generated by rotating the region above 𝑦 = 12 and below 𝑦 = sin 𝑥 for 0≤𝑥≤𝜋
1. 3 answers
2. 634 views
Find the volume of the solid generated by rotating the region bounded by 𝑦 = 𝑒2𝑥, 𝑥-axis, 𝑦-axis and 𝑥 = ln3
1. 1 answer
2. 712 views
At what temperature is the root-mean-square speed of nitrogen molecules equal to the root-mean-square speed of hydrogen
1. 2 answers
2. 949 views
A welder using a tank of volume 1¡Ñ10−2m3 fills it with oxygen (with a molar mass of 32.0g/mol ) at a gauge pressure of
1. 0 answers
2. 605 views
If a certain amount of ideal gas occupies a volume 9.5 m3 with a pressure of 3.1 atm and temperature 5.4 oC on earth, what would
1. 1 answer
2. 747 views
If the air temperature is the same as the temperature of your skin (about 30.0 oC), your body cannot get rid of heat by
1. 1 answer
2. 1,003 views
A nail driven into a board increases in temperature. If we assume that 88.6 % of the kinetic energy delivered by a 2.3-kg hammer
1. 2 answers
2. 963 views
A copper cylinder is initially at 20.0 oC. At what temperature in oC will its volume be 0.39 % larger than it is at 20.0 oC? The
1. 1 answer
2. 1,182 views
A small 0.13 g bug stands at one end of a thin uniform bar that is initially at rest on a smooth horizontal table. The other end
1. 1 answer
2. 2,031 views
An airplane propeller is 1.1 m in length (from tip to tip) and has a mass of 2.8 kg . When the airplane's engine is first
1. 1 answer
2. 958 views
A uniform disk with mass 6 kg and radius 1.8 m is pivoted at its center about a horizontal, frictionless axle that is
1. 5 answers
2. 1,596 views
A 55.3 kg skier is moving at 14.9 m/s on a frictionless horizontal, snow covered plateau when she encounters a rough patch 1.7 m
1. 2 answers
2. 909 views
if the fuel has a density of 0.626 g/mL, how many grams of H2O and CO2 is produced in burning 2 liters of the fuel?
1. 2 answers
2. 459 views

Answers (3)

do i need to convert kg to g?
is £c 35 degrees???
thanks:)

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