How fast (as a percentage of light speed would a star have to be moving so that the frequency of the light we receive from it is 13.0 % higher than the frequency of the light it is emitting?

What is temperature? O A. The amount of energy needed to increase the heat of a substance by 1 degree O B. A measure of the total kinetic energy of the particles in a substance O c. A measure of how hot or cold something is O D.

The compound magnesium phosphate has the chemical formula Mg3 (PO4) 2. In this compound, phosphorous and oxygen act together as one charged particle, which is connected to magnesium, the other charged particle.

What is electric charge actually

What is formed when the rock making up a tectonic plate breaks and moves Select one of the options below as your answer: a. a fault b. an open zone c. a subduction zone d. uplifted land

A student drops a 1.5 kg rock off of a 4.0 m tall bridge. The speed of the rock just before it hits the water below is 6 m/s. How much energy was lost due to air resistance?

A sound wave has a frequency of 510 Hz in air. Which of these is closest to the wavelength of this sound? (The speed of sound in air is 343 m/s.

The diagram below shows the process of distillation of saltwater into pure water. Where is the pure water in the diagram? a. A b. B c. C d. D

In what ways, would understanding the body positions, directions, and planes assist you with tasks related to the integumentary, skeletal/muscular, and digestive systems

Concave & convex lens of same mass & radii rotate about an axis passing through their centre & perpendicular to the plane which one will have greater mnment of inertia

Which of the following statements is true? A. Both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction. B. Nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. C.