What makes light shine?

The drag coefficient for a newly designed hybrid car is predicted to be 0.21. the cross-sectional area of the car is 30 ft2. determine the aerodynamic drag on the car when it is driven through still air at 55 mph.

How much helium gas would it take to fill a gas balloon with a volume of 11:0 cm3 when the temperature is 41.0◦c and the atmospheric pressure is 790 mm hg? answer in units of mol?

Which statement explains the first law of thermodynamics? Heat is created, but not destroyed or transformed. Heat is transformed, but not created or destroyed. Heat is destroyed, but not created or transformed.

Which of the following best describes the suns size compared with other stars? a. small b. medium c. large d. enormous what holds the planets in orbit around the sun? a. heat b. energy c. radiation d. gravity

Choose the ending that best completes the following sentence: If an object is traveling with a constant velocity ... A. There are no forces on the object. B. There is no net force on the object. C.

Microwave, radio signal, light, earthquake which does not belong

A 9.0-v battery is connected to a bulb whose resistance is 2.5 ω. part a how many electrons leave the battery per minute?

What is the basic unit of matter? atom cell bacterium molecule Description

A person fires a 38 gram bullet straight up into the air. It rises, then falls straight back down, striking the ground with a speed of 345 m/s. The bullet embeds itself into the ground a distance of 8.9 cm before coming to a stop.

Subject: Science Why is it important to report experimental results honestly even when the results go against your hypothesis?