Wednesday
December 4, 2013

# Posts by becky

Total # Posts: 470

Physics
Two trucks that appear to be identical collide on an icy road. One was originally at rest. The trucks stick together and move off at more than half the original speed of the moving truck. What can you conclude about the contents of the two trucks?

Physics
You are sitting at a baseball game when a foul ball comes in your direction. You prepare to catch it barehanded. In order to catch it safely, should you move your hands toward the ball, hold them still, or move them in the same direction as the moving ball? Explain.

Physics
As you lift a chair to store is upside down on a desk, gravity exerts a force, mg, downward and you exert a force of the same magnitude upwards. The two forces are equal in magnitude and opposite in direction. From this is would appear that no work was done, but you know you d...

Physics
Roads seldom go straight up a mountain, they wind back and forth. Explain why this is useful

math
6+10+6+7+6=35

math
i have 3 numbers 10,7,and 6 and need to make them work in 35...but it cant be like 7 into 35 it has to be all 3 numbers and can be used more than once but after another number like 10 + 7 +10 ect

Math
circumference (the crust)= 3.14(pie)*radius^2 C=3.14*12^2 (12 inch) = 452.16 C=3.14*8^2 (8 inch)=200.96 452.16 minus 200.96 = 251.2 in in diameter

physics
Determine the velocity of a satellite orbiting Earth at a height of 3.2 x 10^3 meters.

physics
Jessica, who mass is 55 kg, is 3.50 meters away from a 0.20 kg bag of Fig Newtons. What is the gravitational force between Jessica and the cookies?

physics
Imagine a planet that orbited the sun at a distance three times that of Earth. What would the period of that planet be in Earth years?

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