During takeoff, a plane accelerates at 4 m/s and takes 40 s to reach takeoff speed. What is the velocity of the plane at takeoff?

Why use units with your number? Why is putting a unit with your number important? Based on your reading in this lesson and some extra research, create a response with an example included.

What is the normal frequency for humans

Why does a clear stream always appear to be shallower than it actually is?

A cup has a height of 6.00 inches. How many centimeters is this? (Note: 1 in = 2.54 cm) A. 2.36 cm B. 8.20 cm C. 12.1 cm D. 15.2 cm

A sample of a solid nonmetal is compared to a sample of a solid metal. Both samples have the same volume. What is the most likely difference between the two samples? The nonmetal has more mass. The nonmetal takes up more space.

Molecules at room temperature move freely. What happens to the molecules when heat is removed until it freezes? Molecules group together Molecules slow down and contract Molecules speed up and expand Molecules move freely

A spring is used in a lab. It is vibrated at different frequencies and the wavelength is recorded. Using the graph of the data, what is the relationship found between frequency and wavelength? A) Frequency and wavelength are inversely related.

How do you describe the frequency of waves perceived by the observer from the moment the source appears to the moment it disappears?

What causes the stars to appear to move across the night sky?

Two waves collide and the temporary combined waves that results is smaller that the original wave. which term describes this interaction? A. destructive interference B. standing wave formation C. diffraction D. constructive interference