Physics » Page 10

Physics

Mikaela Wade

Do all electromagnetic waves travel at the speed of light, carry energy, and travel through a vacuum?

Answer Answers (1)

Physics

Rudy Weiss

The voltage across the primary winding is 350,000 V, and the voltage across the secondary winding is 17,500 V. If the secondary winding has 600 coils, how many coils are in the primary winding?

30

583

12000

332500

Answer Answers (1)

Physics

Allen Morrow

A 200 watt t. v. is used for 20 hours in a week. If it is used for four weeks then what is cost of electricity if rate is 5rs/kwh

Answer Answers (1)

Physics

Geovanni Wilson

In an experiment, the control is

never changed by the scientist

not important to the scientist

not recorded by the scientist

changed by the scientist

Answer Answers (1)

Physics

Saniyah Mejia

When you catch a baseball, what kind of work do you do, negative or positive? by catching the ball, what do you change? what energy does it gain or lose?

Answer Answers (1)

Physics

Aedan Lynch

All describe work except

A) a team of dogs dragging a sled

B) a jokey sitting on a horse

C) a bowler lifting a bowling ball

Answer Answers (2)

Physics

Zayne Greer

Who is known as the father of toxicology

Answer Answers (1)

Physics

Amelia Herman

In which layer of the sun is energy transfferred between atoms?

Answer Answers (1)

Physics

Jaqueline

A 63 kg object needs to be lifted 7 meters in a matter of 5 secound. Approximately how much horsepower is required to achieve in the task

Answer Answers (2)

Physics

Markus Diaz

If you ere to continue the investigation, what would you suggest as a next step? and Can you determine the identity of an unknown substance by calculating its densitu and observing chemical reactions?

Answer Answers (1)

Physics

Isaac Stafford

A small cylinder made of a diamagnetic material is brought near a bar magnet. One end of the cylinder is brought near the North pole of the magnet and is repelled. What happens when the other end of the cylinder is brought near the North pole of the magnet? (A) The other end of the cylinder will be repelled by the magnet. (B) The other end of the cylinder will not be affected by the magnet. (C) The other end of the cylinder will be attracted more strongly by the magnet. (D) The other end of the cylinder will be attracted less strongly by the magnet. (E) The other end of the cylinder will be attracted by the magnet.

Answer Answers (1)

Physics

Guest

Which of the following is true about rows of the periodic table? Atomic mass increases from left to right.

The chemical properties of the elements will be similar

The number of protons decreases as you go from left to right

Atomic number increases from right to left.

Answer Answers (2)

Physics

Lucille

Which of these atoms is most likely to share electrons with other atoms?

Answer Answers (2)

Physics

Delilah Wilcox

A rapidly moving cold air mass meets a slowly moving warm air mass and forms a front. what will most likely occur at this front?

Answer Answers (1)

Physics

Aniyah

It is believed that during the late Cretaceous period sea levels rose drastically resulting in about a third of the Earth's present land masses being underwater. Which of the following types of evidence supports this theory?

A. minerals and oil found in underground deposits

B. corals and marine fossils found in the Great Plains

C. volcanoes and igneous rocks found on the ocean floor

D. dinosaur and bird fossils found in swamp areas

Answer Answers (1)