A student on an amusement park ride moves in a

circular path with a radius of 3.5 meters once

every 8.9 seconds. The student moves at an

average speed of

(1) 0.39 m/s (3) 2.5 m/s

(2) 1.2 m/s (4) 4.3 m/s

In what direction does friction always act?

The theory that light exists in quantized "chunks" was proposed in response to which of the following? A. Electron interference patterns O B. Discovery of Planck's constant O C. The ultraviolet catastrophe O D. Emission spectra

11. Hans and Frans are two workers being considered for a job at the UPS loading dock. Hans boasts that he can lift a 100 kg box 2.0 meters vertically, in 3.0 seconds. Frans counters with his claim of lifting a 200 kg box 5.

What happens to an object in free fall in earths gravity?

Technician A says that bursting of clutch friction facings is often caused by coasting a truck with the clutch pedal depressed. Technician B says that a clutch pressure plate with warpage sufficient to insert a 0.

Why does life be life

How are hypotheses and theories related to each other?

During the refrigeration cycle, what does the refrigerant do? Absorbs and releases thermal energy by first vaporizing then condensing. Absorbs and releases thermal energy by first condensing then vaporizing.

Find the unbalanced force required to accelerate a 6kg mass at 3ms

A bus travels 300 km south along a straight path with an average velocity of 85 km/h to the south. The bus stops for 22 minutes. Then it travels 220 km south with an average velocity of 78 km/h to the south.