A 320-g ball and a 400-g ball are attached to the two ends of a string that goes over a pulley with a radius of 8.7 cm. Because of friction in its axle, the pulley does not begin to rotate.
What is the magnitude of the frictional torque at the axle of the pulley if the system remains at rest when the balls are released? A) 0.068 N m
B) 0.61 N m
C) 0.079 N m
D) 0.063 N m
E) 0.00070 N m
Question 2
A certain ideal gas has a molar specific heat at constant volume 7R/2. What is its molar specific heat at constant pressure?
A) 5R/2
B) 3R/2
C) 8R
D) 9R/2
E) 6R
Modifications that occur at the ends of mRNA in eukaryotic cells.
13 Ball
Pulley from the question
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
12 question help need please some questions see photos attached
Ectoparasitic ticks attached to and sucking blood from a finch.