4,347 Answered Questions for the topic Science

Science

05/14/20

Where do animal and human traits come from?
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Science

05/14/20

Whose main job is to help the plant cell make proteins
Cells need to make protein
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Science

05/14/20

What do you call one version or form of trait
A. AlleleB. GeneC. GenotypeD. Phenotype
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Science Chemistry

05/13/20

A sample of helium gas has a volume of 788 L at a pressure of 76 cmHg and a temperature of 28° C. When the volume is increased to 1290 L, what is the temperature of the helium?
Please explain how you got the answer, thank you
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Science Chemistry

05/13/20

A sample of oxygen gas occupies a volume of 230 cm3 at 101° C. What will be volume of oxygen when the temperature drops to - 15° C ?
Please explain how you got the answer, thank you
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05/13/20

How Does Newtons Laws Apply To An Amusement Park In General?
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Science Physics Sat

05/13/20

A cube is placed in a pool of water. If the cube is 48 cm long on each side, what is the weight of the cube? (Use 1000 kg/m3 for the density of water)
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Science Physics Sat

05/13/20

An unknown gas has a density of 0.18 kg/m3, and air has a density of 1.275 kg/m3. If a balloon is filled with 0.129 m3 of helium,

what is the maximum mass the balloon can have and still float?
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Science Physics Sat

05/13/20

A rectangular boat is 11 m wide and 12 m long. After a truck pulls onto the ferry, the boat ends up with a depth of 4 cm submerged under the water.

If the weight of the ferry is 10,000 N, what is the maximum weight of the truck? (Assume the density of water is 1000 kg/m3.)
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Science Physics Sat

05/13/20

A rectangular boat is 7 m wide and 7 m long. After a truck pulls onto the ferry, the boat ends up with a depth of 1 cm submerged under the water.

What is the combined weight of the truck and the ferry? (Assume the density of water is 1000 kg/m3.) 
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Science Physics Sat

05/13/20

For a submarine to stay submerged, it must be neutrally buoyant, which means it is maintaining a careful balance between its weight and the buoyant force of water pushing it toward the surface.
If a submarine has an enclosed volume of 327.781 m3, how much must it weigh to stay submerged? (Use 1000 kg/m3 for the density of water.)
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Science Physics Sat

05/13/20

A rectangular boat is 7 m wide and 7 m long. After a truck pulls onto the ferry, the boat ends up with a depth of 1 cm submerged under the water.

What is the combined weight of the truck and the ferry? (Assume the density of water is 1000 kg/m3.)
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Science

05/13/20

Which cell structures are seen in prokaryotic and eukaryotic cells?

Which cell structures are seen in prokaryotic and eukaryotic cells?nucleuscell membranemitochondriaDNAribosomescytoplasmplease tell me which ones and quick!
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Science Physics

05/13/20

How does this affect our uses for metal and non-metal?
Answer this by giving some uses for metal and non-metal materials and explain how the melting and boiling points make them suitable.
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Science Physics

05/13/20

Why do metal and non-metal materials have such vastly different melting and boiling points?

Explain in terms of particle bonds and the forces between them.
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Science

05/13/20

The earth experiences seasons because it is tilted 23.5* as it revolves around the sun

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05/11/20

Neutralization - Chemistry Help :(
If 250mL of 5.0 M HCl needs to be neutralized, what volume of 10 M NaOH must be used?I think it is 200mL or 250mL but I am not sure.50 mL of 0.1 M HNO3 is mixed with 32 mL of KOH. What is the... more
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Science

05/11/20

When genes have changes called mutations, different proteins are being made that can change structure and function in beneficial, neutral, or even harmful ways.
Is it true or false? I have no idea and I've had this question for weeks now
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05/08/20

Math Problem- Spinner
A spinner is broken into 4 equal sections of red, blue, yellow, and white. I spin the spinner 26 times and I get red 12 times, blue 3 times, yellow 8 times and white 2 times. Place the correct... more
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Science Physics

05/08/20

Consider the following table of Object Fluid Displaced (ml)
Object Fluid Displaced (ml)1 3.77 2 11.313 7.974 8.25 5.946 2.78
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Science Physics

05/08/20

A cube of metal weighs 99.98 N and measures 0.18 m on each side. What is the density of the metal in kg/m^3? Round your answer to the nearest whole number.
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Science Physics

05/08/20

If the dimensions of a block of wood are length = 7 m, width = 17 cm, and height = 999 mm, can you find the buoyant force on the block when the density is 507 kg/m^3 ?
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Science Physics

05/08/20

A sphere of metal weighs 287.7 N in air. When placed in water, its weight is 71.8 N. What is the buoyant force? Using significant figures report your answer to 1 decimal place.
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05/08/20

A block of wood is 10 m long, 63 cm wide, and 100 mm high. Can you find the block's mass when the density is 443 kg/m^3 ?
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Science

05/08/20

Does heat flow from hot to cold substances
What kind of substances does heat flow from. Hot to ColdCold to HotHot to HotCold to ColdI have to pick one of those answers
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