1,302 Answered Questions for the topic physical science

Physical Science

12/06/18

Which statment about a mixture is true?
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Physical Science

11/27/18

an automobile engine is 15 percent efficient. how many joules of input work are required to produce 15,000 joules of output work to move the car?
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Physical Science

11/27/18

The total amount of KE and PE contained by the particles in a sample of matter is what?
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Physical Science

10/29/18

You push a piano 5 meters across the floor with a force of 400 N. How much work have you done?
A. 2,000 JB. 19,600 JC. 80 JD. 400 J
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Physical Science Sciene

10/22/18

How do you find the acceleration of a 1,000kg car?
A force of 1500 N is applied to a 1,000 kg car. What is the acceleration of the car?
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Physical Science

10/18/18

A 52-V battery powers a pair of 36Ω resistor connected in series.What is the current flowing through the system? round to the nearest tenth
1.A 52-V battery powers a pair of 36Ω resistor connected in series.What is the current flowing through the system? round to the nearest tenth.2.A 52-V battery powers a pair of 36Ω resistor... more
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Physical Science Science

10/15/18

The actual formation of sugar occurs during the _____.
I’m very confused and can’t figure it out can someone please help me??
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Physical Science

10/15/18

A hot-air balloon contains 85,000 moles of air. To what temperature must the air be heated to fill a volume of 2500 m3 at a pressure of 100 kPa?
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Physical Science

09/20/18

Of elements in the same group those at the bottom of the periodic table have low ionization energies because?
 answer with a correct answer  
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Physical Science

09/18/18

which of the following is proper scientific notation for the number 18,200?
which of the following is proper scientific notation for the number 18,200? a. 18200 x 10^0 b. 182 x 10^2 c. 1.82 x 10^4 d. .182 x 10^5
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Physical Science

09/12/18

The distance between Connor and Mason is 75 miles. There are 1.6 km in a mile. How far is this in kilometers?
This is physical science is finding the difference between two different things
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Physical Science

09/06/18

The difference between heat and temperature is what?
This question is based of a heat and chemistry unit.
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Physical Science

09/06/18

What States of matter can fluids be?
This question is based on a heat and chemistry unit.
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Physical Science

09/02/18

identical twins, Jill and julie. Jill and julie have the same mass. Kathy is 2.4 m from jill and 1.9 from julie. compare the gravitational interactions between
kathy is talking to two identical twins, Jill and julie. Jill and julie have the same mass. Kathy is 2.4 m from jill and 1.9 from julie. compare the gravitational interactions between kathy and... more
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Physical Science Physics Ray Diagrams

08/27/18

How do you draw a lenses ray diagram ?
An object 1.5 cm high is located 7.00 cm in front of a converging lens that has a focal length of 5.00 cm. Draw the ray diagram to scale. Find the image distance, image height and the magnification... more
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Physical Science

08/21/18

for a given substance under standard conditions , how do the temperatures of its solid,liquid, and gaseous states compare each other
 i am in 8th grade at trinity christan school and are taking physical science
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Physical Science

08/20/18

which number should be placed in the blank of the equation balanced 3 H2 + N2 --- __ Nh3
what number goes in the blank
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Physical Science

07/28/18

A train travels 74 km in three hours and then 89 km in four hours what is its average speed .......... Answer Units
Need help pls 
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Physical Science

07/26/18

what medal has Its mass is 13.5 grams, and its volume is 5 cm3.
what medal has Its mass is 13.5 grams, and its volume is 5 cm3.
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Physical Science Earth Science Math Problem

07/12/18

use a scientific calculator and round your answer to the nearest whole number.
The distance from Earth to the sun is about 1.49×1011 meters. The distance from Earth to the moon is about 3.84×108 meters. The distance from Earth to the sun is how many times larger than the... more
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Physical Science

07/09/18

Newton’s first law of motion states that an object remains at rest unless a ____ force act on it
A.balenced  B.Frictional  C.gravitational D.unbalenced
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07/02/18

Physical Science Math
Bismuth and fluorine react to form bismuth fluoride. If 417.96 g of bismuth reacts completely with 113.99 g of fluorine, how many grams of bismuth fluoride are formed?
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Physical Science Gas Laws Help Asap Please

07/02/18

Physical Science Math
Using Boyle's law, predict what will happen to a balloon that an ocean diver makes to a pressure of 202 kPa.
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Physical Science Science Math Help Asap Please

06/29/18

Physical Science Math
A volume of helium occupies 1.0 L at a pressure of 98.0 kPa. What is the new volume if the pressure drops to 86.2 kPa? Show work.
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Physical Science Science Math Help Asap Please

06/29/18

Physical Science Math
A car weighing 15,000 N is on a hydraulic lift platform measuring 10 m2. What is the area of the smaller piston if a force of 1,100 N is used to lift the car? Please show work
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