A bicyclist is in a 50-km race. She says she had an average velocity of 35.

What is missing in the cyclist's velocity?

A.

units only

B.

units and distance

C.

direction only

D.

units and direction

A feris wheel is turning at a constant speed of 5m/s is it not accelerating, true or false

Green light has a lower frequency than blue light. Which color of light has a longer wavelength?

An ice cube of volume 15 cm^3 and density 917 kg/m^3 is placed in ethyl alcohol of density 811 kg/m^3. What is the buoyant force on the ice? Will it float?

Which statements correctly compare the meaning of the terms speed and velocity? Select all that apply. A. Velocity is just a more scientific word for speed. B. Both terms describe how fast an object is moving. C.

In 1909, galileo first looked at the milky way using very powerful binoculars

Bob rubs a piece of fur on a hand rubber rod, giving the rod a negative charge. what happens?

The period of a simple pendulum is 3.8 s. the length of the pendulum is doubled. what is the period t of the longer pendulum? t = s

True or false - sound waves can travel across outer space.

In which one of the following locations can a person hear the echo of a sound? a. At least 33.2 meters behind the reflecting surface b. Less than 16.6 meters in front of the reflecting surface c. Less than 33.2 meters behind the reflecting surface d.

F an electron fell to a lower orbit or energy level, energy would be A. created. B. emitted. C. absorbed. D. transferred.