Question

3. Penguins can swim at speeds of up to 29 feet per second. Use dimensional analysis to

convert this speed to miles per hour. 1 mile = 5280 feet. (4 pts, 1 for feet into miles, 1
seconds into hours, 1 simplified answer, 1 for units in answer.)

Answer 1

Penguins can swim at a speed of 19.77 miles per hour.

Explanation:

Since penguins can swim at speeds of up to 29 feet per second, to convert this speed to miles per hour, knowing that 1 mile is equal to 5280 feet, the following calculation must be performed:

1 hour = 60 minutes

1 minute = 60 seconds

1 hour = 60x60 seconds = 3,600 seconds

29 x 3,600 = feet per hour = 104,400

104,400 / 5,280 = miles per hour = 19.77

Thus, penguins can swim at a speed of 19.77 miles per hour.