A helicopter flies southeast with a ground speed of 250 km/h. If the wind

speed is 17 km/h southeast, what is the air speed?

A. 249 km/h

B. 251 km/h

C. 233 km/h

D. 267 km/h

Current is directly proportional to resistance. a. True b. False

If a 75-Ohm resistor is connected to an 18 volt Battery, how much power is being dissipated in the circuit? 0.12 watts. 0.24 watts. 0.48 watts. 4.3 watts.

A sine wave with maximum amplitude after 1/4 cycle

When using a real machine to do work, input work will always be

What's the value of 57,281 joules in Btu? A. 14.2 Btu B. 54.3 Btu C. 28.9 Btu D. 37.7 Btu

A 200 g piece of iron is heated to 100°C. It is then dropped into water to bring its temperature down to 22°C. What is the amount of heat transferred to water? (ciron = 0.444 J/g°C)

What is the intermingling of one substance within another

What best describes the motion of the medium particles in a longitudinal wave?

If we decrease the distance an object moves we will

Inside a torque converter, the one-way clutch allows the stator to rotate only in one direction. Technician A says that it will turn in the same direction as the output shaft. Technician B says it turns in the same direction as the impeller.