Where does the energy in the ecosystem start?

You apply a force of 18 N to a dresser and move it 3.0 m. How much work did you do on the dresser?

You are on a cruise ship traveling north at a speed of 13 m/s with respect to land. 1) if you walk north toward the front of the ship, with a speed of 2.8 with respect to the ship, what is your velocity with respect to the land

Kiley went 5.7 km/h north and then went 5.8 km/h west. From start to finish, she went 8.1 km/h northwest. Which best describes her numbers? 5.7 km/h north and 5.8 km/h west are instantaneous speeds, while 8.1 km/h northwest is the average speed. 5.

Find the work done in moving an object along a vector r=3i+2j-5k if the applied force is f=2i-j-k

Two parallel wires are separated by 6.65 cm, each carrying 3.25 A of current in the same direction. (a) What is the magnitude of the force per unit length between the wires?

If a current of one - or two-tenths of an ampere were to flow into one of your hands and out the other, you would probably be electrocuted.

What is the formula for the law of universal gravitation? a. force = g * mass1 * mass2 / distance b. force = g * mass1 * mass2 * distance c. force = g * mass1 * mass2 / distance2 d. force = g * mass1 * mass2 * distance2?

How does water flowing over a waterfall involve both kinetic energy and potential energy?

As you run toward a source of sound, you perceive the frequency of that sound to

What is the biggest problem with invasive species in their new location? A They are always stronger than native species. B They evolve more quickly than native species. C They have higher reproductive rates than native species.