Friday
May 24, 2013

# Posts by Erin

Total # Posts: 535

Physics
Physics Help... Applying Newtons Laws Grade 11? On the surface of the earth a geological hammer has a mass of 1500g. Determine its mass and weight on Mars where g=3.6 m/s^2.

Physics
A 10 m long frictionless ramp is inclined at an angle of 30 degress to the horizontal. A boy of mass 57 kg coasts down the incline on a skateboard of mass 3.0 kg. The acceleration due to gravity may be taken as 9.8 m/s^2 and the effects of air resistance can be ignored. a) Cal...

Science
In drosophila , short wings , and black colour are reccessive traits.long wings and grey colour are dominant. show the cross results between a short winged , heterozygous grey fly and a heterzygous long winged grey fly

Math( help please ! )
determine the maximum or the minimum of a)2x^2+12x

Math( help please ! )
The profit p(x) of a cosmetics company , in thousands of dollars . is given by p(x) =-5t^2=400x-2550, where x is the amount spent on advertising in thousands of dollars a) determine the maximum profit the company can make b) dtermine the amount spent on advertising that will r...

Math( help please ! )
The height of a ball thrown vertically upward from a rooftop is modelled by h(t)=-5t^2=20t=50, where h(t) is the ball's height above the gorund,in meters, at time t seconds after the throw a) determine the maximum height of the ball b) how long does it take for the ball to...

geometry
Suppose the parallelogram shown has angles defined by the following expressions: angle A = 6x + 19; angle B = 3x - 21; angle C = 6x + 19; and angle D = 3x - 21? What is the measure of the largest angle?

Art Appreciation
ok thank you

Art Appreciation
I do not understand it.

Art Appreciation
Visit the following Web sites and explore the collections of Ancient Art there: The Metropolitan Museum of Art The Louvre Museum The Smithsonian Institution Freer Gallery and Sackler Gallery See the Course Materials List for access to these sites. From the gallery Web sites li...

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