Thursday
May 23, 2013

Posts by natasha


Total # Posts: 308

physics
A string has a linear density of 8.1 x 10-3 kg/m and is under a tension of 200 N. The string is 2.9 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling wa...

physics
A container holds 2.2 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 7.7x10-3 kg bullet with a speed of 650 m/s. What is the Kelvin temperature of the gas?

physics
The flywheel of an engine has a moment of inertia of 24 kg*m^2. a) if the radius of the wheel is 0.6m, what force is required to accelerate the wheel from rest to an angular velocity of 300 rpm in 6 seconds? b) how many turns does it make during this time?

physics
The flywheel of an engine has a moment of inertia of 24 kg*m^2. a) if the radius of the wheel is 0.6m, what force is required to accelerate the wheel from rest to an angular velocity of 300 rpm in 6 seconds? b) how many turns does it make during this time?

science/math
width of a normal sheet of paper is 8.5inches. Convert this length to kilometers

Science
A mixture is prepared by adding 100 ml of 0.10M Na2CrO4 to 100.ml of ).10 N AgNO3. A precipitate forms in this mixture. The precipitate is separated from the mixture by filtration. Question: What quantity of solid product is produced?

math
Morgan Company received from Lee Company an invoice dated September 27. Terms were 2-10 EOM. List price on the invoice was $5000.00(freight not included). Morgan receives a 9/7 chain discount. Freight charges are Morgans resposibility but Lee agreed to prepay the $150. freight...

algebra 2
4p + 2q = 8 and q = 2p +1 solve by substitution

chemistry
an ionic equation has 2H+(AQ)on the left side and H2(g) on the right. Are these species spectators? explain.

trig
Find the domain of each function. f(x)=Sqareroot of 5-x f(x)=x^3/x^2-16

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