A sphere of radius R and mass M is released from rest, and rolls without slipping down a plane inclined at angle G above horizontal. What is the speed of the sphere after it has moved a distance L?
What will be an ideal response?
Question 2
A carbon resistor has a resistance of 18 at a temperature of 20C. What is its resistance at a temperature of 120C? (The temperature coefficient of resistivity for carbon is -5.0 10-4 /C.)
A) 18
B) 17
C) 16
D) 15
E) 14