AP Physics C 2017

v = 29,000 m/s. (Wow, fast ... that converts to about 14 miles every second—much faster than, say, ...

from the sun, it must slow down. This applies to the Earth as well. In the northern hemisphere wint ...

Practice Problems Multiple Choice: Questions 1 and 2: Two stars, each of mass M , form a binary syst ...

device. A rock is attached to a string. An Ewok whirls the rock in a horizontal circle above his head ...

(a) In which case would the speed of the penny be greater, if it were placed at point A , or if ...

centripetal force. (c) The force of friction provides the centripetal force here, and is equal to μ times the n ...

(^1) Please don’t say you thought the Earth must be farther away from the sun in winter because it’s cold. ...

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CHAPTER 15 Gravitation and Circular Motion 1 . A binary star system consists of two identical ...

(A) (B) (C) (D) (E) 3 . A pendulum of mass (m ) is swinging in a horizontal circle of radi ...

4 . A satellite in geosynchronous orbit around Earth has an orbital time period of T , as ...

4 . C —Use the following equation to calculate the orbital time period: The velocity of circular orbit ...

CHAPTER 16 Rotational Motion IN THIS CHAPTER Summary: The mechanics of rotating objects make up a significa ...

Conversion between linear and rotational variables: Rotational inertia: Newton’s second law for rotation: Rotational ki ...

Now consider a fixed object spinning, like a compact disc. The relevant variables become the following: T ...

variables. Plug and chug into the rotational kinematics equations: What does this answer mean? Well, i ...

Well, spinning objects also resist changes in their angular velocity. But that resistance, that rotational i ...

masses. (The rotational inertia for a solid disc of mass m and radius r is ½mr 2 .) We learned how t ...

Now, we write Newton’s second law for each block: For the pulley, because it is rotating , we write Newto ...

A ball of mass m sits on an inclined plane, with its center of mass at a height h above the ground. ...