If an upstairs room is warmer than downstairs, is that a example of convection, conduction, or radiation?

the law of reflection states that if the angle of incidence is 77 degrees the angle of reflection is

The sum of the digits of a two-digit number is 6. When the digits are reversed, the number decreases by 18. Find the original number.

A summary of a source is usually A shorter than the original source and in the researcher's words B a series of shorter quotations copied from the original source C longer than the original source and in the researcher's words D a series of long

13. A hiker walks 200 m west and then walks 100 m north. In what direction is her resulting displacement?

Laptop batteries are rated in W⋅hW⋅h, the product of the power (in WW) that the battery can provide and the time (in hh) that it can provide this power. For instance, a 50 W⋅hW⋅h battery can provide 50 WW for 1.0 hh, 25 WW for 2.0 hh, and so on.

A rapidly moving cold air mass meets a slowly moving warm air mass and forms a front. what will most likely occur at this front?

It is believed that during the late Cretaceous period sea levels rose drastically resulting in about a third of the Earth's present land masses being underwater. Which of the following types of evidence supports this theory? A.

On a drive from one city to? another, victor averaged 39 mph. if he had been able to average 72? mph, he would have reached his destination 11 hrs earlier. what is the driving distance between one city and the? other?

A motorcycle has a constant speed of 24.3 m/s as it passes over the top of a hill whose radius of curvature is 182 m. The mass of the motorcycle and driver is 391 kg.

Discuss the relationship between acceleration. Are these scalar or vector quantities?