PCm

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A 8.30 kg object with a speed of 34.0 m/s strikes a steel plate at an angle of 45.0 degrees with the normal to the plate, and
1. 1 answer
2. 446 views
A pellet gun fires ten 3.00 g pellets per second with a speed of 840 m/s. The pellets are stopped by a rigid wall. What is the
1. 1 answer
2. 544 views
A freight car, open at the top, weighing 2.80 tons, is coasting along a level track with negligible friction at 4.10 ft/s when
1. 2 answers
2. 529 views
A body of 8.10 kg mass makes an elastic collision with another body at rest and continues to move in the original direction, but
1. 1 answer
2. 391 views
A block of mass m1 = 4.00 kg slides along a frictionless table with a speed of 16.0 m/s. Directly in front of it, and moving in
1. 2 answers
2. 573 views
An alpha-particle collides with an oxygen nucleus which is initially at rest. The alpha-particle is scattered at an angle of
1. 3 answers
2. 573 views

use the ideal gas law by solving for volume v=nRT/p= (.908mol)(.08206)(381K)/(.858atm)=??? R=.08206 latm/molK Temperature needs to be converted to Kelvin K=108+273
Use the quotient rule. (DN'-D'N)/(D)^2 D=denominator D'=derivative of denominator N=numerator N'=derivative of numerator
Add up all the marvels and then divide the number of green balls by the total. 10/(#ofgreen+#ofred+#ofblue). If you want it as a percent just multiply the decimal by 100. I would look like {10/(#ofgreen+#ofred+#ofblue)} *100

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