1,302 Answered Questions for the topic physical science

Physical Science Chemistry Physics Biochemistry

06/05/19

What is the difference between a cathode and an anode?
Follows • 1
Expert Answers •1
Physical Science Chemistry Physics

06/04/19

What is equilibrium?
Follows • 1
Expert Answers •1
Physical Science Math Chemistry Sat Math

06/04/19

How many liters of water must be evaporated from 10 L of a 30% salt solution to produce a 50% solution?
Follows • 1
Expert Answers •1
Physical Science Chemistry

06/03/19

Software program in chemistry?
What is an input device in chemistry?
Follows • 1
Expert Answers •1
Physical Science

06/03/19

2.2.2 calculating energy

A girl skateboards with a kinetic energy 2543.2 J . If the girl and skateboard have a total mass of 110 kg , what is her speed ?
Follows • 1
Expert Answers •1
Physical Science

05/31/19

I need to calculate the average orbital speed Ceres in miles per hour when it is closest to the sun and when it is farthest away
Follows • 1
Expert Answers •1
Physical Science

05/29/19

As the space shuttle orbits the Earth, the shuttle and the astronauts accelerate towards the earth with the same acceleration. What effects does this create?
Follows • 1
Expert Answers •1
Physical Science Science

05/28/19

What type of variables are held constant in an experiment?
Follows • 1
Expert Answers •1
Physical Science

05/27/19

What is the impulse when there is a force of 30 N for a time of 4 seconds
Follows • 1
Expert Answers •1
Physical Science Earth Science Glacial Geology

05/26/19

How did glaciers affect the landscape of the US?
Glaciers are huge, slowly moving bodies of ice. The are like big bulldozers and push, capture, and entrain anything in its way. When rocks are dragged at the base of a glacier, they scrape the... more
Follows • 2
Expert Answers •1
Physical Science Science

05/26/19

What is chemical change
Follows • 1
Expert Answers •1
Physical Science Science

05/25/19

What is physical change?
Follows • 0
Expert Answers •1
Physical Science

05/25/19

what is the enery

Follows • 1
Expert Answers •1
Physical Science Science

05/24/19

Is this True or false?
nonmetals are good conductors of heat and electricity
Follows • 1
Expert Answers •1
Physical Science

05/22/19

A person is standing on a bridge, attached to a bungee cord.

A person is standing on a bridge, attached to a bungee cord. The person steps off the bridge and falls down. The isolated system consists of the person, bridge, bungee cord, and the Earth, ignoring... more
Follows • 1
Expert Answers •1
Physical Science Science

05/15/19

Which of the following results is an example of phototropism?
For a science experiment, Matt places a flashlight on the table on the east side of a potted plant. He covers the plant and flashlight with a darkened box. Matt waits several days, then checks to... more
Follows • 1
Expert Answers •1
Physical Science

05/14/19

In the figure in which direction does the displacement vector point
Follows • 2
Expert Answers •1
Physical Science

05/14/19

The ladybug in the image below has traveled from point A to point B following the red line which of the following terms refers to the length of the red line?
Follows • 2
Expert Answers •1
Physical Science Seasons Meteorology

05/14/19

Why doesn't the sun reach its highest point overhead at exactly 12:00 noon?
Many sources state that 12:00 noon is the high-point or mid-point of the sun's path across the sky. However, for where I am, this is obviously wrong. In my own town the high point of the sun... more
Follows • 1
Expert Answers •1
Physical Science Geology Earth

05/14/19

Would it be possible to calculate the expected frequency of impact craters of all sizes on Earth?
Can the expected frequency of all sizes of impact craters on Earth be calculated based on the preservation of impact craters seen on the Moon? Taking into account the difference in gravity and... more
Follows • 1
Expert Answers •1

05/14/19

How significant is a 5-10 mb drop in pressure over a 20 minute period?
I would be interested in seeing how significant a 5-10 mb drop in pressure would be at the surface, and 80 m in the air. The temporal scale would be 20 minutes. If the pressure starts to steadily... more
Follows • 1
Expert Answers •1
Physical Science Weather Meteorology Atmosphere

05/14/19

What is the cause of the jet streams?
Jet streams are fast-flowing currents of air in our earth's atmosphere. An enormous amount of energy is necessary to keep a jet stream going. Where does this come from and why?
Follows • 1
Expert Answers •1

05/14/19

Is there a database of global rainfall time series?
Is there any institute out there collecting time series data of precipitation, and making them accessible online? I need data for a few different locations, but: * Low spatial resolution is fine.... more
Follows • 1
Expert Answers •1
Physical Science Acceleration

05/13/19

A car traveling down the road to the east experiences a negative acceleration. Which item below is a possible outcome? (Select all that apply.)
1.The car slows down, comes to a stop for an instant, then the car begins to move backwards.2.The car speeds up.3.The car slows down.4.The car comes to a stop.
Follows • 1
Expert Answers •1
Physical Science Acceleration

05/13/19

At what speed (in mph) was the potato launched from the gun?

Acceleration due to gravity on Earth is 9.81 m/s2 (32 ft/s2) toward the center of the planet. A potato is launched straight up from a potato gun and rises for 3.4 seconds before beginning to fall... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.