Choose the most acidic substance in the group.

lemon juice, pH = 2.25

orange juice, pH = 3.75

milk, pH = 6.6

seawater, pH = 8

Which measurement has five significant figures? 450.3 N 0.04503 N 45,300 N 4.5300 N

Two swimmers compete in a race. Under what condition do the swimmers have the same power?

Which scientist is often called the father of the atomic bomb because of his work as the head of the Manhattan Project? Enrico Fermi Albert Einstein Edward Teller Robert Oppenheimer

A grasshopper leaps into the air from the edge of a vertical cliff. Assume that d1=7.15cm , d2=1.04m , and that θ=49∘ A) what is the initial speed of the grasshopper? B) what is the height of the cliff?

What aspect of speech sound is the primary factor in determining if one perceives the / ba / sound or the / pa / sound?

Birds, squirrels, and chipmunks all living in the same tree, using the same resources, are an example of:

Does air resistence decrease with speed

In one area, the lowest angle of elevation of the sun in winter is 23 ° 18 '. Find the minimum distance, x, that a plant needing full sun can be placed from a fence 4.63 ft high.

A wave has a wavelength of 50 m and a speed of 200 m/s. What is the frequency of this wave in hertz?

A 75.0 kg person stands on a scale in an elevator. (a) What does the scale read (in N and in kg) when the elevator is at rest?