If Margo pushes a box 25 meters, using a force of 45 Newtons, and it takes her 15 seconds to do so, how much power is she using? A. 75 W B. 80 W C. 115 W D. 125 W

Blank is the measurement of inertia

What kind of scientist investigation involve making observations

A 150 kg safe on frictionless casters is being raised at 1.20m to the bed of a truck using planks 4m long. The force needed to push the safe up is

You throw a rock out of a 7th story window. you time that it takes 3.7 seconds to hit the ground, and measure that it hit the ground 115 m from the base of the building? How fast must you have thrown the rock? How high up must the 7th floor be?

Ropes 3 m and 5 m in length are fastened to a holiday decoration that is suspended over a town square. The decoration has a mass of 10 kg. The ropes, fastened at different heights, make angles of 52° and 40° with the horizontal.

A 398-kg boat is sailing 14.0° north of east at a speed of 1.50 m/s. 23.0 s later, it is sailing 33.0° north of east at a speed of 4.40 m/s. During this time, three forces act on the boat: a 32.8-N force directed 14.

You use sunglasses to reduce the glare of the sun when you go outside. You are taking advantages of light's ability to do which of the following? Possible Answers: to reflect to refract to diffract to polarize

Is light made of elements and atoms

Why do surface winds tend to cross the isobars?

The typical unit for a period used with Kepler's third law is