How much power is used in a machine that produces 15 Joules of work in 3 seconds? Use the formula P = W/t.

A. 3 Watts

B. 5 Watts

C. 18 Watts

D. 45 Watts

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.

The two types of decomposers

A car accelerates from 6.00 m/s to 20.0 m/s, over a distance of 50.0 m. what is its rate of acceleration?

A car travels past a sign at 8:52 pm it travels at a constant speed 1,000 meters down the road and gets to another stop sign at 8:57 pm. What was the car's speed between the signs?

The equation for photosynthesis is 6H2O (water) + 6CO2 (carbon dioxide) + Light Energy → C6H12O6 (glucose) + 6O2 (oxygen). When first discovered, scientists were trying to decide if the oxygen in the product came from carbon dioxide or water.

You are drawing a branching diagram to show the relationship between Turtles frogs and alligators which two organisms does the diagram indicateas having the most recent common ancestor

Estimate the length of the neptunian year using the fact that the earth is 1.50Ã108km from the sun on average.

Identify one type of electromagnetic energy that has a shorter wave length than green light

Any object with mass exerts a force on any other object with mass. This force is called?

Is a light bulb considered construction