Question

Approximately how many atoms are there in a baby elephant (mass 240 kg)? Give the order of magnitude (power of ten).

A: 18

B: 22

C: 28

D: 35

E: 44

Tries 0/1

The feet of the elephant are approximately round with a radius of 6 cm. How much average pressure does the elephant exert on the ground under its feet if it is standing on all four feet? (in kPa)

A: 52.0

B: 65.1

C: 81.3

D: 102

E: 127

Tries 0/1

The elephant has a volume of 0.23 m³. If it is taking a bath with 54 percent of its volume under water (fresh water, density 1 g/cm³), how much average pressure do its feet exert on the bottom of the pool? (in kPa)

A: 8.03

B: 10.7

C: 14.2

D: 18.9

E: 25.1

Answer 1