Select the correct answer. Brian is repairing an old alarm clock. He needs to replace a device that converts the electric energy into sound energy. Which of these devices should he use? A. battery B. buzzer C. motor D. switch

Tungsten is am element with 74 protons and 109 neutrons. What is tungsten's atomic number? how many does tungsten have?

What is the relationship between the strength of an electromagnet and the number of turns in the coil? As the number of turns in the coil increases, the strength of the electromagnet increases.

The initial speed of a body is 3.28 m/s. What is its speed after 2.32 s if it accelerates uniformly at 2.08 m/s2? Answer In Units of m/s

What is the property that is most similar among all elements across one whole period called?

Which statement best describes the long-term effects of using renewable resources? A) There is an unlimited supply of fresh water on the Earth. B) Melting glacier ice will supple more fresh water.

17. (a) Will the electric field strength between two parallel conducting plates exceed the breakdown strength for air (3.0*106 V/m) if the plates are separated by 2.00 mm and 5.

What property of sound enables us to distinguish one sound source from another?

The table below shows the right ascensions of two stars at a location. Star 1 - 4 right ascension (in Hour) Star 2 - 3 right ascension (in Hour) Which of these statements is correct about the stars?

H-2 + H-3 → He-4 + Consider the nuclear reaction that takes place in the sun. Two nuclides of hydrogen fuse to form helium. Is helium the only product of this reaction? If no, identify any additional products. A) Yes, He-4 is the only product. B) No.

Hat is a scientific theory? Make up your own scientific theory.