Sunday
October 26, 2014

Posts by Stewart


Total # Posts: 11

physics
A bumper car with mass m1 = 100 kg is moving to the right with a velocity of v1 = 4.6 m/s. A second bumper car with mass m2 = 86 kg is moving to the left with a velocity of v2 = -3.8 m/s. The two cars have an elastic collision. Assume the surface is frictionless. 1) What is ...
October 14, 2014

Physics
A satellite is placed 39875 m above the Moon's SURFACE. (M=7.35e22 kg, R=1.74e6 m) Find the Period of the satellite in seconds. (assume a circular orbit)
April 24, 2014

Physics
A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.
April 24, 2014

MATHS
Great answer Reiny but line 8 is the wrong way round and should read P=2*L 10x+y-1=2(10y+x-1) but it doesn't change the answer
October 21, 2013

Equation of the Tangent Line
Find the equation of a line tangent to te curve xy = sqrt(xy - x) + 1 at the point (1, 2).
June 5, 2012

Derivatives ~ Calculus
After integrating and solving, I got approximately 4.711393061. Does this seem right?
June 5, 2012

math
solve 3.7^4*x = 9271
February 19, 2012

Social Studies
east and west
November 17, 2011

Math
2 = r cos( – 90°) y ?
September 6, 2011

Physics 30
The answer on my handout is 5.18 x 10^7
January 9, 2011

Physics 30
A radioactive isotope(h=4.5days) was prepared. This isotope was used 14 days later when it had an activity of 6000000 Bq. What was the activity of this isotope when initially prepared?
January 9, 2011

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