Apendulum has a mass of 0.7 kg and starts at a height of 1.1 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path

An object is 10 cm from the mirror, its height is 1 cm and the focal length is 5 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1 -1 +10 -10

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.