Homework Statement
A heat pump operates as an air conditioner, drawing 20000 Btu per hr from a building. It is operating between 21 degrees Celsius and 41 degrees Celsius.
a) If the COP (coefficient of performance) is 35% that of a Carnot air conditioner, what is the value of the effective...
i understand there are forces, including centripetal force and gravitational force. but i do not understand how they directly relate to tangential acceleration.
Homework Statement
a ball of 2.5kg revolves in a circle on a string with a radius of 0.9m. at the moment when the string makes an angle of 60 degrees below the horizontal, the ball's speed is 7m/s. at this specific point, what is the tangential acceleration?Homework Equations
A_t = r*angular...