Wednesday
May 22, 2013

# Posts by Micheal

Total # Posts: 113

Science
A ball has a potential energy of 180 J and a kinetic energy of 0 J. After falling 2m, it has a potential energy of 135J. What is its kinetic energy at this point?

Science
An 80 kg person decides to jump off the back end of a 30 kg canoe. His friend measures the speed of the canoe after he jumps to be 0.8 m/s. The canoe was initially at rest. What rule would I use to find the speed of the person who jumped?

Science
Suppose you and your bicycle have a total mass of 70 kg. YOu are moving at 10m/s. How much kinetic energy do you and the bicycle have?

math
mario wants to put a rectanguar frame on a picture of a snowboarder.he has 18cm of string to make a the frame. Q-does he have enough strings and what could be the dimensions.

math
\$35 soccer cleats marked up 95%

math
1.35/1.35=x, 59.4/1.35=44

math
yes its marked up

math
can u help me with a problem like this find the original price: tickets marke35% to \$59.40 and find the percent of the discount or markup: \$52 sweater on sale for \$31.20 please help

math
well i think you multiply 4 by 125 but i dont know and its not one of my options i have

math
125 pounds decreased by 4%

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