1,302 Answered Questions for the topic physical science

Physical Science

09/16/19

A box 10 centimeters high, 5 centimeters long, and 5 centimeters wide. Find the volume of a box with a length of 5 cm, a width of 5 cm, and a height of 10 cm. V = 0.2

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Physical Science

09/13/19

The speed of a cheetah is 30 m/s. How long does it take a cheetah to travel a distance of 240 meter?
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Physical Science

09/13/19

How fast was a plane flying if it traveled 4000 kilometers in 3 hours?
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Physical Science

09/12/19

Graph y=x line. What is the slope of this line? Find value of y when x=5, when x=0, when x= -2
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Physical Science

09/12/19

Graph y=2 line. Find value of y when x=5.
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Physical Science

09/11/19

Figure out Spring potential Energy and ramp potential energy
For an assignment I'm working on, I need to explain why the spring potential energy and maximum ramp potential are the same for a particular data run. For my first run, both spring PE and Max Ramp... more
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Physical Science Science Prealgebra

09/04/19

it takes seymour a slimy slug 20 minutes to travel from his favorite bush to the local trash can (a distance of 30 meters) how far can he travel in 1 hour (60 seconds)

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Physical Science

09/04/19

A trip to cape Canaveral,Florida takes 10 hours. The distance is 816 km.calculate the average speed.
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Physical Science Chemistry Physics Mcat

09/03/19

Conversions of Gases
Convert 765 mmHg to atm, Pa, and kPa.
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Physical Science Physics

09/01/19

Train Physics Question
A train leaves Westlington heading west at 50 miles/ hour. Another train leaves Eastington heading east at 40 miles/ hour. The trains are on two seperate tracks. What time will will they pass each... more
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Physical Science

08/27/19

What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent?
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Physical Science

08/21/19

the force due to gravity on venus is 8.9 m/s. would a 5.0 kg cantaloupe weigh more on earth or venus ?

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Physical Science Physics Sat Math Mcat

08/20/19

Physics question
If a car's velocity speed changes from 30 m/s to 60 m/s, how does this affect the Kinetic Energy.
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Physical Science

08/20/19

If a toy rocket accelerates to a velocity of 25 meters per second in 3 seconds, what is its acceleration?
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Physical Science Chemistry Physics Mcat

08/18/19

Calculating Density
In determining the density of a rectangular metal bar, a chemist made the following measurements: length, 9.4 cm, width, 3.7 cm, height, 2.4 cm, mass, 45.9 g. Determine the density to the correct... more
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Physical Science

08/12/19

A researcher observes a vehicle with an initial velocity of 14 m/s. The vehicle accerlerates uniformly with an accerleration of 3 m/s². After 6 seconds, what is the velocity of the vehicle?
Physical Science
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Physical Science Meteorology

08/11/19

What causes the 'calm before the storm'?
The old adage "The calm before the storm" certainly has an observational scientific meaning to it -- something that many (including myself) have experienced -- that on a hot summer's day, when a... more
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Physical Science Meteorology Clouds

08/11/19

Do clouds float on anything?
Clouds of the same type have such a consistent altitude, it appears as if they're floating on an invisible layer. Is this true? Put another way, is there a significant change in air composition at... more
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Physical Science Forecasting

08/10/19

What is a time series forecast?
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Physical Science Correlation Wind Meteorology

08/08/19

Is there a reliable way to identify regions with negatively-correlated winds?
When examining the potential for large-scale electricity grids, and when identifying the lowest-cost ways to generate clean electricity, a recurring theme is of spreading wind generation across a... more
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Physical Science Weather Meteorology Tornado

08/08/19

What is the motivation of using the Enhanced Fujita Scale in place of the Fujita Scale?
In 2007, the US started using an Enhanced Fujita Scale in place of the Fujita Scale. From a "civilian's" perspective, the Fujita Scale seemed to measure wind whereas the Enhanced Fujita Scale... more
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Physical Science

08/07/19

A car travels 500 miles east in 10 hours. What is the velocity of the car?
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08/07/19

Why do certain areas on Earth have a higher or lower air pressure at sea level?
For instance, looking at [this map of world air pressure in January](http://www.mapsofworld.com/world-maps/wind-and-pressure-jan-enlarge-map1.html) and [this map of... more
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Physical Science Meteorology Atmosphere Clouds

08/06/19

What determines how fast clouds move?
Do cirrus clouds in the upper troposphere move faster than cumulus and stratus clouds in the lower atmosphere? What about clouds associated with extratropical systems, compared with clouds in the... more
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Physical Science Wind Meteorology Scaling

08/06/19

Sea breeze - magnitude of horizontal pressure gradient?
What is the range of horizontal pressure gradients typically caused by the differential heating of land and water under sea breeze conditions?
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