4,374 Answered Questions for the topic Science

09/17/20

Need help with answering a biology question

Do individual animals have the same dietary needs every single day of the year? Why or why not?
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Science

09/17/20

Which holds more water: a 10 gallon trash can or a 10-gallon kitty litter pan?

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Science

09/16/20

A block of wood has a volume of 3 cm and has a mass of 27 g. What is the density of this block? (we are looking for the word in red)
A block of wood has a volume of 3 cm and has a mass of 27 g. What is the density of this block? (we are looking for the word in red)
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09/16/20

Quantifying Stains For Science Fair Project
I'm planning on making a science fair topic about which homemade stain remover works best. However, I need a way to quantify the stains. I heard about ImageJ but my Mac doesn't let me download it... more
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09/16/20

How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if the specific heat of aluminum is 0.90 J/g°C?
How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if the specific heat of aluminum is 0.90 J/g°C?
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09/15/20

Is the deduction that codes require "coders" a rational deduction that can be made, or is it simply "religion" masquerading as science?
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09/15/20

How is historical science different than benchtop science?
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Science Math

09/14/20

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?
Need help now hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
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09/14/20

Why might a description of a region change? Explain.
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09/11/20

If you burn 33.7g of hydrogen and produce 301g of water, how much oxygen reacted?
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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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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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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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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09/09/20

PHYSICS SPEED X VELOCITY

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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09/02/20

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