A runner has a speed of 5 m/s and a mass of 130 kg. What is his kinetic energy?

According to the law of refraction, light passing from air into a piece of glass at an angle of 30 degrees will cause the light to

How are surface temperature and length of year on a planet related to the planet's distance from the Sun?

A 140 B 78 C 186 D 124 Which statement is correct? Material B is the least dense. Material C is the most dense. Material A is denser than Material D. Material D is denser than Material A.

Becky is going to take her dog for walk in the park, but before she leaves, she watches the weather report. according to the weather report, it is 74.0 ∘f outside. what is the outside temperature in kelvins?

You are listening to music in your room and you are asked to turn down the volume of your music. When you turn down the volume what will happen to the sound waves' amplitude?

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.

3. Calculate the amount of current through a 45-watt light bulb that is connected to a 120-volt circuit in your home.

Are oranges called oranges because oranges are orange, or is orange called orange because oranges are orange?

An object at rest has no net force acting on it. a. True b. False