What is the chemical reaction

Which label identifies the statement: "Energy cannot be created or destroyed, but it can be converted or changed into different forms. A. the law of energy transformation B. the law of conservation of matter C. the law of energy equilibrium D.

9. The acceleration due to gravity on the moon is 1.6 m/s2. What is the weight of a 75 kg astronaut on the moon? . a. 120 N b. 120 kg C. 735 N d. 735 kg

During a race, Rachel runs at a speed of 6 m/s. Four seconds later, she is running at a speed of 10 m/s. What is Rachels acceleration?

A uniform disk with a mass of 10 kg and a diatmer 0.5 m

A vibrating drum is an example of what kind of energy? 1) Nuclear 2) Chemical 3) Mechanical 4) Electrical

When viewing a piece of art that is behind glass, one often is affected by the light that is reflected off the front of the glass (called glare), which can make it difficult to see the art clearly.

force used to lift a 25kg mass to a height of 24m in 5 sec does 2120J of work. Calculate the power.

Which statement is true about the atom? A: it contains positive electrons, uncharged protons and negative protons. B: it contains uncharged neutrons, positive electrons and negative protons.

Steel objects can become temporary magnets because they are mainly composed of which element?

How long does it takes the sun to rotate the earth?