Friday
December 13, 2013

Posts by megan

Total # Posts: 887

math
The election results indicate that 131.2 million Americans voted in the 2008 presidential election. This was approximately 63% of the eligible voters. How many Americans were eligible to vote in the election?

science
Betty is sledding down a hill going 12 m/s. She hits a very steep patch and starts to speed up 1.5 m/s2. How fast will Betty be moving 2 seconds later?

I'm not getting the right values! I think they are too large, can you tell me what you are getting so I can try and figure out where I am going wrong!

(b)What was the speed of the bullet at impact with the block?

A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 156 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...

A 58.0 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending vertically with(b) If the ball is in contact with the players head for 19 ms, what is the average acceleration of the ball? a speed of 26.0 m/s. If the player was moving upward with...

Physics
Ann, a 66.1 kg person throws a 0.0460 kg snowball forward with a ground speed of 31.7 m/s. Billy, with a mass of 60.5 kg, catches the snowball. Both people are on skates. Ann is initially moving forward with a speed of 2.29 m/s, and Billy is initially at rest. After the snowba...

Physics
A man claims he can safely hold on to a 12.80 kg child in a head-on collision with a relative speed of 133. mi/h lasting for 0.100 s as long as he has his seat belt on. (a) Find the magnitude of the average force needed to hold onto the child.

Physics URGENT!!!
Thank you!

Physics URGENT!!!
Can you give me the values so I can compare, I don't think I am getting the right values!

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