A) What's the net force acting on the sheep? b) The rooster on top weighs 2.1N. The cow's back pushes up with a force of 5.8 N. What's the magnitude of the weight of the sheep?
c) What's the mass of the sheep?

There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?

Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in