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

If a wavelength frequency of 5 Hz and a wavelength is 100 m what is the speed

A glass bottle of soda is sealed with a screw cap. The absolute pressure of the carbon dioxide inside the bottle is 1.60 105 Pa. Assuming that the top and bottom surfaces of the cap each have an area of 3.

The answer using the graphical method and analytical method of vector addition will always be. A. Subtraction B. Addition C. The same D. Different

A student has a weight of 534 N. The student sits in a chair. When the student sits in a chair, how much force does the chair apply to the student?

Could you give me 4 examples of acceleration?

Which of the following objects would have the most inertia? A. A sphere with a radius of 5 cm and a mass of 34 grams. B. A sphere with a radius of 4 cm and a mass of 15 grams. C. A sphere with a radius of 8 cm and a mass of 27 grams. D.

A boy slides a book across the floor using a force of five and over a distance of 2M what is the kinetic energy of the book after he slides at assume there is no friction

Where would aliens be if they really do exist here on Earth?

If the mass of an object is 84g and the volume is 12cm3 what is the density

Describe one example of competiton of tropical dry forest