Quiet operation of a fan depends mostly upon the

A. motor balance.

B. balance of the blades.

C. weight of the blades.

D. material of the blades

Based on the chart when would you expect to have a sea breeze

A child uses a force of 45 N to pull a sled with a rope. The angle between the rope and the ground is 35 degrees. What is the horizontal component of the tension? A. 25.8 N B. 36.9 N C. 54.9 N D. 78.5 N

A (n) 12 g object moving to the right at 29 cm/s overtakes and collides elastically with a 24 g object moving in the same direction at 14 cm/s. Find the velocity of the slower object after the collision. Answer in units of cm/s.

Causes cold nutrient rich waters to move up to the oceans surface

What is the car's average acceleration if it slows down from 22.0m/s to 15.7m/s in 2.15 s?

If a car travels at 93 km/h, what rate is it traveling in km/min?

A wire carries a steady current of 2.20 A. A straight section of the wire is 0.750 m long and lies along the y axis within a uniform magnetic field, vector B = 1.70 k T.

All parts of the electromagnetic spectrum share travel at the same speed through empty space. True False

What is the mechanical advantage of the frictionless plane shown below? Inclined plane A. 0.64 B. 1.31 C. 1.4 D. 1.56

What does ice become when it absorbs enough heat energy. C. Frost. D. Liquid