Two countries that go through Tropic of Cancer

What does the ozone layer protect us from? A. supersonic rays B. gamma rays C. ultraviolet rays D. light rays

What is the difference between a comet and an asteroid? Which statement correctly answers the questions?

Describe Ohm's law and its limitations;

10.0 gram gas occupies 12.5 liter at pressure of 42.0 mm hg whAt volume when pressure increase 75.0 mm hg

De Vico Comet orbits the Sun every 74.0 years and has an orbital eccentricity of 0.96. Find the comet's average distance from the Sun (semimajor axis). Express your answer in astronomical units to three significant figures.

During the refrigeration cycle, what does the refrigerant do? Absorbs and releases thermal energy by first vaporizing then condensing. Absorbs and releases thermal energy by first condensing then vaporizing.

Find the unbalanced force required to accelerate a 6kg mass at 3ms

A bus travels 300 km south along a straight path with an average velocity of 85 km/h to the south. The bus stops for 22 minutes. Then it travels 220 km south with an average velocity of 78 km/h to the south.

In what way does varying the length of the string change the vibration

A 1200 kg car moving at 7.8 m/s collides with a stationary car of mass 1500 kg. if the two vehicles lock together, what is their combined velocity immediately after the collision?