Starting from its nest, an eagle flies at constant speed for 2.8 min due east, then 4.0 min due north. From there the eagle flies directly to its nest at the same speed. how long is the eagle in the air

Efficiency can never be greater than 100% True False

A 40 kg person sits on top of a 400 kg rock. What is the person's weight? 390 N 440 N 3500 N 3900 N 4290 N

Why is the earth more attracted to the sun gravitational pull than the gravitational pull of the moon

A beaker contains a substance that takes up approximately half the volume of the beaker but does not touch all sides of the beaker. The substance must be a A) gas. B) solid. C) liquid. D) life-size model of Tom Cruise.

Which statement is true about AC? A). The electrons move back and forth B). The + / - polarity is constant C). It is most common in portable devices D). It can produce only low voltages

Some car manufacturers claim that their vehicles could climb a slope of 42 ∘. For this to be possible, what must be the minimum coefficient of static friction between the vehicle's tires and the road?

Which of the following has the least impact on the environment? A. solar power B. nuclear power C. fossil fuels D. hydroelectric power

Why is steel better to conduct sound than air? use the words density and compression in your answer

4. How does density affect refraction of a lightwave?

Kinetic friction is affected by the weight of the object. TrueFalse