A speed boat requires 85.0 kW to move at a constant speed of 14.0 m/s. What is the resistive force of the water at this speed?
a. 1 190 N
b. 6 070 N
c. 6 170 N
d. 5 970 N
e. 1 290 N
Question 2
A jet engine develops 1.50 105 N of thrust in moving an airplane forward at a speed of 900 km/h. What is the power developed by the engine?
a. 1 350 kW
b. 380 MW
c. 37.5 MW
d. 42.5 MW
e. 32.5 MW