Which of the following is an example of convection?

A. hot air rising and cooler air falling

B. a hot object transferring heat to a cooler one

C. a hot oven warming the air around it

D. the rays of the Sun warming the earth

A airplane travels 3260 kilometers in 4 hours. What is the airplane average speed?

What happens to a current when it comes in contact with a continent or landmass?

When an object is moving at negative acceleration, does that mean it is moving backwards?

What is The mass of an electron

A very big hockey puck with mass 2.5 kg traveling 20 degrees north of east at 10.0 m/s strikes a puck with a mass of 4.0 kg traveling north at 2 m/s. The 2.5 kg puck exits the collision in a direction that is 30 deg. north of east at a velocity of 8.

A syrup added to an empty container with a mass of 115.25g. When 0.100 pint of syrup is added, the total mass of the container and syrup is 182.48g. Determine the density ... ?

MOST high schools teach biology, then chemistry, then physics. What do you see as some of the disadvantages of the traditional sequence to both students and teachers.

If you break a bar magnet in half, each half

If a forklift raises a 76-kg load a distance of 2.5 m, about how much work has it done?

When a fork is placed in a hot piece of lasagna, thermal energy is transferred up the fork by ...