Physics » Page 93

Physics

Eden Dixon

What effect does the sun have on Earth's tides? A. The pull of the sun cancels the pull of the moon when they are on opposite sides of Earth, causing lower high tides. B. The pull of the sun combines with the pull of the moon when they form a right angle with Earth, causing very high tides. C. The pull of the sun cancels the pull of the moon when they form a right angle with Earth, causing very high tides. D. The pull of the sun combines with the pull of the moon when they are on the same side of Earth, causing very high tides.

Answer Answers (1)

Physics

Jax Frank

Powered and rotating type concrete troweling machines that are manually guided shall be equipped with a control switch that will automatically shut off power whenever hands of the operator are removed from equipment handles.

True or False?

Answer Answers (1)

Physics

Arely Park

What is a Lunar Eclipse in (exactly) 7 words?

Answer Answers (2)

Physics

Kaiya Hebert

According to de broglie, as the momentum of a moving particle is tripled, the corresponding wavelength changes by what factor?

Answer Answers (1)

Physics

Bugsy

A new battery has an emf of 1,52 V. When a wire of negligible resistance is connected between the terminals of the battery, a current of 7,05 A is produced. Find the internal resistance of the battery.

Answer Answers (1)

Physics

Braydon Oneal

Some headpieces also employ noise reduction technology to eliminate sounds not coming from the earpieces of the stethoscope. How might such technology work?

Answer Answers (1)

Physics

Grant Fritz

The barrel of a rifle has a length of 0.886 m. A bullet leaves the muzzle of a rifle with a speed of 623 m/s.

What is the acceleration of the bullet while in the barrel? A bullet in a rifle barrel does not have constant acceleration, but constant acceleration is to be assumed for this problem

Answer Answers (1)

Physics

Sasha Hopkins

What could be done for Ultimate Frisbee to become as popular as football or basketball?

Answer Answers (1)

Physics

Braeden Peters

When a fluid is heated, what changes occur?

It becomes less dense and begins to rise.

It becomes more dense and begins to rise.

It becomes less dense and begins to sink.

It becomes more dense and begins to sink.

Answer Answers (1)

Physics

Jarrett Bates

Which of the following accurately describes properties of valence?

A. The greater the number of electrons an atom has to borrow or to lend, the greater the activity of the atom.

B. Metals tend to have a negative valence and tend to be electron borrowers.

C. Nonmetallic elements tend to have a positive valence and tend to be electron borrowers.

D. The smaller the number of electrons an atom has to borrow or to lend, the greater the activity of the atom.

Answer Answers (1)

Physics

Cello

A rectangular tank 7 m wide is layered with 8 m of oil (rho = 880 kg/m3), 6 m of water, and 4 m of mercury (rho = 13,600 kg/m3). The tank is surrounded by air at atmospheric pressure and the top is open. Calculate the total force on the side of the tank.

Answer Answers (1)

Physics

Marques Stevenson

Brainiest what is Igneous rock made up of

Answer Answers (1)

Physics

Mugsy

Which of the following is a good emitter of radiant energy? clear glass window, a mirror, air, an asphalt road, snow

Answer Answers (2)

Physics

Brent Blankenship

A liquid has a specific gravity of 1.1 at room temperature. what is its density at room temperature kg/m3

Answer Answers (1)

Physics

Karen Dunlap

Suppose earth were moved to a distance from the sun equal to 4 AU. How much weaker would the sun's gravitational force on earth be? Why?

Answer Answers (1)