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In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor.Hydrogen + Oxygen —> WaterIf you burn 33.7g of hydrogen and produce 301g of water, how much... more

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Science Physics Ap Physics

09/11/20

Physics problem on buoyant force, I need help

If someone may help me with this attached Physics problem shown below. I've been having trouble and spending time on it, I can't figure it out. Thanks, much appreciated!

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Science Physics Ap Physics

09/11/20

Help with Physics Question on Density

I've been trying to figure out how to solve this question for some time now and I can't figure it out (picture below), please and thanks.

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Science Physics Ap Physics

09/11/20

Physics Question, I need help

I've been having trouble with this Physics Question (the picture below) if someone may help me please.

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Science

09/11/20

How does the mass of an object affect the outcome when an unbalanced force acts on it?

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Science Physics Physics B Physics C

09/09/20

The train moves 60 kilometers forward, and then 30 kilometers backwards. The whole journey takes 5 hours. What is the distance the train has travelled? What is the displacement of the train? What... more

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Science

09/05/20

When a mosquito hits a car’s window and the car is MOVING, which object (mosquito or car) experiences the larger force?

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Science

09/04/20

Science question

Your speed is constant if you are traveling in a straight line with an acceleration of zero.true or false

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Science Project Management Management Operations Management

09/02/20

Does management generally get heavily involved with the technical details of a linear programming study?

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Science Biology Psychology College Essay

09/01/20

general psychology

The brain recovers from some injuries by allowing some areas to compensate for the damaged area. What is this process called?

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Science Math Chemistry

09/01/20

How many milliliters of gasoline have a mass of 1.3 kg?

Gasoline g/mL 0.74

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Science Math Astronomy

08/30/20

the escape speed

The escape speed from an object is v2 = 2GM/R, where M is the mass of the object, R is the object's starting radius, and G is the gravitational constant 6.67 × 10-11 m3 kg-1 s-2. What is the... more

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Science Math Astronomy

08/30/20

What is the escape speed (in km/s) from an Earth-like planet with mass 4.9e+24 kg and radius 56.0 × 105 m? Use the gravitational constant G = 6.67 × 10-11 m3 kg-1 s-2.

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Science Math Astronomy

08/30/20

Suppose a comet orbits the Sun every 68 years and has an eccentricity of 0.95. What is the length of its semi-major axis in AU?

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Science Math Biology Chemistry

08/30/20

Label The diagram A ⮂ B+C

A ⮂ B+Ca. Reactant (substrate) for hydrolysisb. Products of hydrolysisc. Reactants for synthesisd. Product of synthesis

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Science Math Astronomy

08/29/20

newtons version on keplers third law

Newton’s version of Kepler’s third law is: P2 = 4 π2 / [G (M1 + M2)] × a3. The space shuttle orbits 271 km above the Earth's surface. How often do the astronauts see a sunrise (in minutes)?Use the... more

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Science Math Astronomy

08/29/20

sam is an astronomer

Sam is an astronomer on planet Hua, which orbits the distant star Barnard. It has recently been accepted that Hua is spherical in shape, although its exact size is unknown. While studying in the... more

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Science Math Astronomy

08/29/20

Suppose the Moon is 383 thousand km from Earth, and its orbital period is 27.2 days. What is the Moon's speed in km/hr for this orbit?

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Science Math Astronomy

08/29/20

kinetic energy of moving object

The kinetic energy of a moving object is KE = 1/2 mv2, where m is the mass and v is the speed. An average apple has a mass of 0.19 kg. How fast must the apple travel in m/s to have kinetic energy... more

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Science Biology

08/28/20

Describe vitalism. Describe what scientists now think about the basis of life and why they rejected the theory of vitalism.

The theory of vitalism has been rejected by present-day scientists. Describe vitalism. Describe what scientists now think about the basis of life and why they rejected the theory of vitalism.

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Science Math Geometry Physics

08/27/20

A typical human cell is approximately 10 μm in diameter and enclosed by a membrane that is 4.4 nm thick. To simplify the calculations, model the cell as a sphere.

1.What is the volume of the cell? I got this= 524.49, it is correct2.What is the volume of the cell membrane? 3.What percent of the cell volume does its membrane occupy? I need help on the last two... more

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Science English History Biology

08/25/20

i need help cause of A commercial jet liner hits an air pocket and drops feet. After climbing feet, it drops another feet. What is its overall vertical change?

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How is historical science different than benchtop science?

A box has a mass of 500 grams. The volume of the box is 10cm by 5cm by 2cm. What is the density of the box?

Why might a description of a region change? Explain.

If you burn 33.7g of hydrogen and produce 301g of water, how much oxygen reacted?

Physics problem on buoyant force, I need help

Help with Physics Question on Density

Physics Question, I need help

How does the mass of an object affect the outcome when an unbalanced force acts on it?

PHYSICS SPEED X VELOCITY

When a mosquito hits a car’s window and the car is MOVING, which object (mosquito or car) experiences the larger force?

Science question

Does management generally get heavily involved with the technical details of a linear programming study?

general psychology

How many milliliters of gasoline have a mass of 1.3 kg?

the escape speed

What is the escape speed (in km/s) from an Earth-like planet with mass 4.9e+24 kg and radius 56.0 × 105 m? Use the gravitational constant G = 6.67 × 10-11 m3 kg-1 s-2.

Suppose a comet orbits the Sun every 68 years and has an eccentricity of 0.95. What is the length of its semi-major axis in AU?

Label The diagram A ⮂ B+C

newtons version on keplers third law

sam is an astronomer

Suppose the Moon is 383 thousand km from Earth, and its orbital period is 27.2 days. What is the Moon's speed in km/hr for this orbit?

kinetic energy of moving object

Describe vitalism. Describe what scientists now think about the basis of life and why they rejected the theory of vitalism.

A typical human cell is approximately 10 μm in diameter and enclosed by a membrane that is 4.4 nm thick. To simplify the calculations, model the cell as a sphere.

i need help cause of A commercial jet liner hits an air pocket and drops feet. After climbing ​feet, it drops another feet. What is its overall vertical​ change?

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i need help cause of A commercial jet liner hits an air pocket and drops feet. After climbing feet, it drops another feet. What is its overall vertical change?