Recent content by Callista

Homework Statement A spherical rubber balloon inflated with air is held stationary, with its opening, on the west side, pinched shut. (a) Describe the forces exerted by the air inside and outside the balloon on sections of the rubber. Homework Equations ? The Attempt at a Solution The air...

Sorry, looks like I mistyped that. I meant to say ->Fy=T-m1g=m1a1 ->Fy=-T+m2g=m2a2 I've update my post to reflect it. Upon reflection, I realize I was trying to use the same formula twice to solve for a new variable... Thanks for all the help.

Homework Statement Two objects are connected by a string that passes over a frictionless pulley, where m1<m2 and a1 and a2 are the magnitudes of the respective accelerations. Which mathematical statement is true regarding the magnitude of the acceleration a2 of the mass m2? (a) a2<g (b) a2>g...

Homework Statement A locomotive has broken through the wall of a train station. During the collision, what can be said about the force exerted by the locomotive on the wall? a)The force exerted by the locomotive on the wall was less than the force exerted by the wall on the locomotive. b) The...

Following the initial request to say hi. Nice to meet you all.

Homework Statement Homework Equations Fg=mg The Attempt at a Solution I tried to set this up as two "triangles". && left triangle: sin(37)=mg/T T1=mg/sin(37) T1=202.72 right triangle: sin(53)=mg/T T2=mg/sin(53) T2=152.761 I now know the correct answers are T1=73.4N and T2=97.4...