Recent content by phish

Homework Statement What would be the product of the reaction between trifluoroacetic anhydride and 2 butanol. This is a secondary alcohol. When a primary alcohol like methanol reacts with trifluoroacetic anhydride it forms methyl trifluoroacetate, but what 2 butanol form with it? I tried and...

diagram

Homework Statement An object on an inclined ramp of mass 4 kg forms an angle of 34° with the horizontal. The object on the ramp is connected to a second object of mass 6.4 kg on a horizontal surface below an overhang that is formed by the inclined surface. An external force of 30 N is exerted...

Homework Statement An object 1 of mass 5 kg is attached to object 2 of mass 7 kg with a string. The 5 kg object is pulled up with a 67 N force - what is the tension in the string. Homework Equations F= ma The Attempt at a Solution Since object 1 has an external force of 67 N...

Homework Statement Two objects of different masses are tied together by a pulley string. One object is on a horizontal, frictionless surface, and the other is hanging over the edge of the surface. The object on the surface has mass 5 kg and the hanging object has mass 2 kg. I am to find the...