Sound waves travel slower in colder air than in warmer air why does the speed of sound depend on air temperature?

the average speed of a runner in a 240 meter dash is 6 meters per second. how much time does it take for the runner to complete the race?

What TWO things happen to solar radiation that reaches earth?

2. A body moves with a uniform speed of 1.5 ms-1 for 20 seconds. Find the distance covered by it.

Magnetic fields are produced either by electric currents or time-varying electric fields. a. True b. False

Name one type of technology that utilizes magnetism to function.

A sports car moving at constant speed travels 115m in 5.3 s. If it then brakes and comes to a stop in 4.0 s, what is it's acceleration? Express the answer in terms of g's, where g = 9.

Question 11 1 pts Nuclear power plants rely on to generate power. O climate change O fusion Ofission O coal

Which of the following is not a characteristic that geologists use to identify minerals? A. Softness B. Color C. Streak D. Fracture

To practice Tactics Box 10.1 Calculating the work done by a constant force. To find the work done on an object by a force, begin with a visual overview and follow Tactics Box 10.1.

the color of the sun appears to be orange or yellow when looking from the earth but it really is red. true or false