A horizontal force of 300 N is applied to move a 55 kg sofa across a 10 m level surface. What is the net work done by this 300 N force?

a. 0 J

b. 550 J

c. 3000 J

d. 16500 J

Two stars orbit each other in a _ solar system

This is the constructive or destructive overlap of waves. Example: the high pitched feedback when a microphone gets too close to a speaker

How many significant figures does the number 91010.0 have?

What is the force which makes a 2000 kg vehicle accelerate by 3.2 meters per second squared?

What are the four main groups of organic molecules in living things?

Hat is a scientific theory? Make up your own scientific theory.

Which of the following is an example of a velocity? O A. 12 m/s O B. 45 km/hr south O C. 55 km/hr D. - 5 m/s2 east

What was the total weight (lbf) of chocolate in the vat? the specific gravity of chocolate is approximately 1.24?

You are in the lab and are given two rods set up so that the top rod is directly above the bottom one. The two straight rods 50-cm long are separated by a distance of 1.5-mm each with 15 A of current passing through them.

What is the explanation for feather beds being warm