Carter pushes a bag full of basketball jerseys across the gym floor. The bag weighs 21 newtons. If he pushes the bag 9 meters in 3 seconds, how much power does he use?

Select the correct answer. Anna will wear a black dress when she attends het cousin's wedding. Which color (s) does the dress absorb? A. all colors B. no colors C. red and green D. white

The kinetic energy of an object depends on what?

The vacuole is most like a A. wall. B. water balloon. C. solar panel. D. conveyor belt.

Which is a possible disadvantage of using flowing water to produce electricity?

What might be collected to monitor the amount of excess nitrogen in the local water system

The following statements regarding the exhaust gas recirculation (EGR) valve are all correct except: Low restriction exhaust systems will have no effect on EGR system operation. B.

A 10.0 V battery is connected to a 120-ohm resistor. Ignoring the internal resistance of the battery Calculate the power delivered to the resistor.

Hemoglobin (Hb) is the O2-carrying protein in our blood. Unlike myoglobin, it has four sites allowing it to bind up to four O2 molecules.

Why does the moon appear to change shape? A: It rotates and makes it own light B: It moves closer and farther away from the earth in a yearly pattern. C: It reflects sunlight as it revolves around the earth.

An object's weight is equal to its buoyant force in water. What would you expect to happen when the object is placed in water? Explain your reasoning.