An object changing direction is an example of

a. acceleration

b. speed

c. velocity

d. constant rate

A Honda Civic Hybrid weighs about 3200 lb. Calculate the mass of the car in kilograms. (Note: 1 kg on Earth's surface has a weight of 10 N).

How many minutes does light need to travel from the sun to Jupiter?

How many eclipses normally occur each year? a. 2 b. 5 c. 7 d. 4

What does the star release, and in what form do we see it?

Glenn is heating water in a teakettle. The hotter water at the bottom of the kettle rises. The cooler water near the top sinks and warms. Which kind of transfer of heat is this? A. conduction B. convection c. radiation d. transmission

Which describes Ernest Rutherford's experiment? 1. Positive particles are fired at gold foil. Most bounce back, but some pass through. 2. Negative particles are fired at gold foil. Most bounce back, but some pass through. 3.

Max and maya are riding on a merry-go-round that rotates at a constant speed. if the merry-go-round makes 3.5 revolutions in 9.2 seconds, what is its angular speed?

Describe at least two ways nuclear fission was used in the twentieth century

What simple machines would move or turn an object? Question 3 options: wheel and axle lever screw wedge 4. A see-saw is an example of what type of lever? Question 4 options: First Class Second Class Third Class Fourth Class

When two waves in the same medium hit each other, the resulting displacement of the medium is 1. Either larger or smaller than the displacement of either wave acting alone, depending on the signs of the displacements of the two waves. 2.