1,308 Answered Questions for the topic physical science
Physical Science
12/14/18
A person holding 30kg box 1m above the floor it down. How much work was done
Physical Science
12/13/18
I need a step by step on how to do this problem...Anyone want to help?
What is the velocity of an 8 kg lead shot-put if it has 484 J of energy?
Physical Science
12/13/18
Calculate her average speed in km/h.
A girl takes 30 minutes to travel around a cross-country ski course: a distance of 10 km. Calculate her average speed in km/h.
Physical Science Solubility
12/08/18
How many grams of KNO3 can be dissolved in 200.0 mL of water at 35 Celsius
Physical Science
12/07/18
science sounds i dont know what to do
Donna wants to calculate the speed at which a sound wave is traveling. She knows that the frequency of the wave is 680 hertz and that the wave has a wavelength of 0.5 meters.What is the speed of...
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Physical Science
12/06/18
Which statment about a mixture is true?
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?
Physical Science
11/27/18
The total amount of KE and PE contained by the particles in a sample of matter is what?
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
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?
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...
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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??
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?
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
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
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
Physical Science
09/06/18
The difference between heat and temperature is what?
This question is based of a heat and chemistry unit.
Physical Science
09/06/18
What States of matter can fluids be?
This question is based on a heat and chemistry unit.
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...
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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...
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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
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
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
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.
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...
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