us history
How did the timezone impact on the industrial revolution in america
math grade 12
what does the nth term mean
Physics
so I have mgh = 300. i have my rotational energy = 350. so it will reach the top, correct?
Physics
Thanks bobpursley! I was somewhere close to that idea. I had mgh=1/2mv^2 + 1/5mv^2. I let h=12sin30. I was solving for velocity for some reason, doh!
Physics
You roll a 5 kg bowling ball (R=20cm) with an initial speed of 10 m/s up a 30 degree ramp that is 12 m long. Will the ball reach the top of the ramp? (support your answer)
Physics (angular momentum)
A solid disk of 5kg and radius 0.5m turns at the rate of 10rpm. You then carefully place a 2kg book at the edge of table as it spins. What is the new rotation rate of the table(in rpm)?
Math
Thanks!
Math
A mini-cone has a diameter of 2 inches at the widest point and holds 12.5 in3 of ice cream. A mega-cone holds 133.1 in3 of ice cream. What is the diameter of the mega-cone at its widest point?
GED-Word Problems
Rob's tape measure is marked in centimeters. He is building a birdhouse from plans marked in inches. He needs a board 22 inches long. Karl knows there are 2.54 CM in 1 in. How can he figure out how many centimeters are 22 inches?
Physics check my answer!
In order to reduce potential danger to the environment, a biohazard laboratory maintains an internal air pressure that is 1% lower than atmospheric pressure. The net force acting on a 1.8-m2 external window of this laboratory due to air pressure is most nearly 1.8 N 18 N 1.8 &...
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