Would someone explain how to get the answer? you for any ! : )

felipe weighs 50 pounds. he runs up a 4 foot flight of stairs in 10 seconds. what is felipe's power output?

4 ft-lbs./sec
10 ft-lbs./sec
20 ft-lbs./sec
50 ft-lbs./sec

Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.

A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew