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Which of the following indicates that an exothermic reaction has occurred?

Temperature increases

Heat is absorbed

Salt is produced

Water is formed

Consider two wires made of copper. They have the same diameter but one of them has three times the length of the other. Choose the correct statement: a. Both wires have the same resistivity b.

What type of energy is it when rain falls?

What material has a strong resistance to the electrons

Ich of the following is not accurate when describing solids? A. The amount of pressure exerted by a solid is solely dependent on its mass. B. Molecules in solids are closer together than molecules in liquids. C.

A piece of magnetic material that retains its magnetic properties after it is removed from a magnetic field.

Your university radio stawon has a 5.0-kw radio transmixer that broadcasts uniformly in all direcwons; listeners within 15 km have reliable recepwon. you want to increase the power to double that range. what should be the new power?

A projectile is thrown upward so that its distance above the ground after t seconds is h (t) equals negative 16 t squared plus 704 t. a) Find the maximum height the object reaches. b) Find the time it takes the object to reach the ground.

Whats an example of projectile motion

The fact that the sun rises and sets at different times during the day depending on the time of year is an example of a data trend. True or False

What sample of matter is a single substance