An airplane flies at 400 km/h in a 100km/h hurricane crosswind. Find the resultant speed of the plane.

You want to use a lever to lift a 2000 N rock. The maximum force you can exert is 500 N. Draw a lever to lift the rock. Label the input force, output force, fulcrum, input arm, and output arm. Specify measurements for the input and output arms.

Which of the following are factors that determine the size of the electric potential and of electric potential energy? A. Mass and charge B. Charge and density C. Charge and distance D. Mass and distance

Explain the relationship between distance and time in terms of an object's speed.

A marble is dropped from a toy drone that is 25 m above the ground, and slowly rising with a vertical velocity of 0.8 m/s. How long does it take the marble to reach the ground?

Litmus paper is made from water-soluble dyes which are extracted from lichens. This paper is used as an acid-base indicator. Which of these common household substances would turn blue litmus paper red?

Chemical sediments that result from the evaporation of water are

A college student is working on her physics homework in her dorm room. her room contains a total of 6.0*1026 gas molecules. as she works, her body is converting chemical energy into thermal energy at a rate of 125 w.

A uniform, thin, solid door has height 2.20 m, width 0.870 m, and mass 23.0 kg. (a) find its moment of inertia for rotation on its hinges. (b) is any piece of data unnecessary

How does wavelength and frequency affect the speed?

A cyclist turns a corner with a radius of 37 m at a speed of 22 m/s. What's the cyclist acceleration? If the cyclist and cycle have a combined mass of 90 kg, what is the force causing them to turn?