1,302 Answered Questions for the topic physical science

Physical Science

02/05/15

Joe Cool drives to see his girlfriend who attends another college....... Find the km/h.
Joe Cool drives to see his girlfriend who attends another college. (a) The 140. km trip takes 2.0 h. What was the average speed for the trip? = ? km/h(b) The return trip over the same route takes... more
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Physical Science

02/05/15

What is the sprinter's average acceleration??
A sprinter starting from rest on a straight and level track is able to achieve a speed of 13 m/s in a time of 6.1 s. What is the sprinter's average acceleration?   = ? m/s2 
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Physical Science

01/26/15

what element has the strongest metallic character
what element exhibits the strongest metallic character  
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Physical Science

01/23/15

'what is the average acceleration of a car that starts from rest and moves straight ahead at 18m/s in 12s
please help.
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Physical Science

01/14/15

The speed of light is 3 hundred million meters per second how many meters does light travel in a minute
find meters per minute
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Physical Science

01/12/15

What are some common signs of a chemical change?
like some examples would really help????
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Physical Science

01/07/15

the cat traveled 10m in 5 seconds. what is his rate of acceleration?
motion speed acceleration average speed
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Physical Science

12/15/14

A box is 4.0 cm long, 2.00cm wide, and 10cm high. ( vol= l x w x h) wat is the volume?.
Is it 4.0 x 2.00= 8.00 x 10=80cm
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Physical Science

12/10/14

physical science
a rope is used to pull up a 10kg bucket a total of 40m in 2 minutes. what work was done to the bucket w=? what is the pe placed on the bucket?  and what power was used to move the bucket in the... more
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Physical Science Physics

12/09/14

The jet airplane takes off with the acceleration 15m/s2. In 3 minutes it travels the distance
A) 54 km b) 108 km c) 464 km d) 62 km e) 243 km
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Physical Science Science Energy Sustainable Energy

11/10/14

Calculate the pumped storage capacity
Two of the largest dams in Australia’s Snowy Hydro scheme are Lake Eucumbene (4500 GL storage capacity) and Blowering Dam (1628 GL storage capacity), which is situated 803m below Lake... more
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Physical Science

11/03/14

A car accelerates from 0 mph to 40 mph in 5 seconds as it merges into a northbound lane of traffic. What is the acceleration of the car?
Need help with this!
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Physical Science

10/28/14

boyle's law states that the volume of a gas is inversely proportional to its pressure if the?
A)temperature and number of particles are consistent B)temperature reaches absolute zero C)number of particles are doubled  D)temperature and number of particles are doubled
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Physical Science

10/28/14

what is the result of a force distributed over and area
A)temperature B)volume  C)pressure D)mass
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Physical Science

10/28/14

flammability is a material's ability to burn in the presence of
A) hydrogen B)nitrogen C)oxygen  D)carbon dioxide
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Physical Science

10/28/14

a material that is malleable and conducts electricity is most likely
A)wood B)ice  C) a metal D) carbon dioxide
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Physical Science

10/28/14

a mixture can be classified as a solution suspension or colloid based on the?
A) number of particles it contains B) size of its largest particles C)color of its particale D) size of its smallest particales
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Physical Science Science Physics Energy

10/18/14

Are they any calculation/formula of Ocean Thermal Energy Conversion that uses the unit of power or energy?
example: kWh/d/y, w/m2 etc..
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Physical Science

10/04/14

car goes from 22.0 miles hour to 74.0 miles hour in 8.56 seconds
car goes from 22.0 miles hour to 74.0 miles hour in 8.56 seconds
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Physical Science

10/03/14

If an object of mass 8 kg has a velocity of 9 m/s what is the linear momentum
How to solve this equation 
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Physical Science

10/03/14

how calculate total distance
it is graphing.
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Physical Science

09/08/14

how fast can Xander run?
Xander was walking across a train bridge and was 2/3 rds of the way across when he saw a train coming at 45 mph toward him.  Xander is fast enough that if he ran the rest of the way he'd make it.... more
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Physical Science

09/04/14

What is the mass of the horse of it accelerates at the rate of 18km/hr with a force of 78 newtons
I don't understand 
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Physical Science

08/22/14

what term describes an energy resource that can be used up
im doing some online classes at school and most sites are blocked
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Physical Science

08/19/14

how is it possible to a person to walk for hours and still have a displacement of 10 feet?
how is it possible to a person to walk for hours and still have displacement of 10 feet uwhyuasbddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd gggggggggggggggggggggg... more
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