PHYS 205 Midterm: PHYS 206 TAMU Exam2 2009
Document Summary
An object of mass m is acted upon by a force given by where c1 and c2 are positive constants: determine whether or not this force is conservative. Xc": find the object"s kinetic energy as a function of x, given the conditions in b. above. )the coefficient of friction between and the surface that the large block is on is frictionless. In addition to the other forces acting on the body there is a mysterious force acting that has a potential energy function given by. 4. (25 points) in a famous physics 218 experiment it was discovered that a real spring doesn"t totally follow hooke"s law. The force exerted by the spring is found to be a linear function of the amount stretched. as hooke"s law says. However, instead of having f ky where y is the amount stretched, the actual force exerted by the spring is approximately given by f (ky + b).
