A 100N sack of potatoes is suspended by a rope. A person pushes sideways on the sack with a force at 40N. What is the tension in the rope.

What would you predict about a chemical that has a hydrogen ion concentration of 1 * 10^-12 M? A) It will form salt and water when added to a base. B) It contains no hydroxide ions. C) It has high concentration of hydroxide ions.

If you have 3/4 cup of flour how many eights do you have

Is the force of gravity stronger on a piece of paper when it is crumpled? is the force of gravity stronger on a piece of iron than it is on a piece of wood, if they both have the same mass?

Describe accuracy, precision and best fit line.

A 1700kg rhino charges at a speed of 50.0km/h. What is the magnitude of the average force needed to bring the rhino to a stop in 0.50s?

Which devices might use electromagnets? pick all that apply. 1. audio speakers 2. plastic combs 3. trains 4. doorbells 5. revolving chairs 6. cranes

Match each type of line or symbol, common to geologic maps, to its description. 1. Fault Line A. very dark and thick line 2. Contact Line B. very light and thin line 3. Axis Fold C. look like a stubby T 4. Strike and Dip D.

You drop your backpack out of a window from a height of 8.3 m. What is the impact speed of your backpack? A. 163 m/s B. 1.2 m/s C. 21.3 m/s D. 12.8 m/s

What is the kinetic energy of a car that has a mass of 1,600 kg and is moving at 22 m/s?

Which is an example of a transverse wave? A. sound B. electromagnetic C. water D. seismic waves