1,308 Answered Questions for the topic physical science
04/25/17
A mass of 1.00 Kg on the end of string that is 0.5 meters long is swung in a circle. The centripetal force is 5.0 Newtons. How fast is the mass moving?
A) 5.0 meters per second
B) 2.0 meters per second
C) 10.0 meters per second
D) 1.0 meters per second
E) 1.5 meters per second
Physical Science
04/24/17
A bicycle and its rider together have a mass of 61 kg. If the bicycle's speed is 13 m/s, how much force is needed to bring it to a stop in 6s?
I need help with my physical science class
Physical Science
04/20/17
What happens to mechanical energy when friction is involved?
I'm just wondering.. I don't really have any details about this...
Physical Science
03/15/17
the world record for pole vaulting is 6.15m. If the pole vaulter's gravitational potential is 4942 J, what is his mass ?
using potential energy as the subject
Is this correct?
Match the vocabulary.
1.the ability to cause changes in matter [x] Energy
2.the product of force and the distance through...
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Physical Science
03/13/17
Find the mass of a wooden stick
1.Use a balance to find the mass of the wooden stick.
2.Add enough water to a graduated cylinder so that the stick can be completely submerged. Measure the initial volume of the water.3.Place the...
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Physical Science
03/10/17
Water has a density of 1 g/cm3. If you placed a cork and a steel paper clip in a jar of water, what do you think would happen? Use your knowledge of density to
Water has a density of 1 g/cm3. If you placed a cork and a steel paper clip in a jar of water, what do you think would happen? Use your knowledge of density to explain the outcome.
Physical Science
03/10/17
A cork has a volume of 5.0 cm3 and a mass of 1.2 grams. Calculate its density
A cork has a volume of 5.0 cm3 and a mass of 1.2 grams. Calculate its density
Physical Science
03/10/17
Now determine the density of the steel bar if its mass is 2.34 kg. (Hint: Convert to grams first.)
Now determine the density of the steel bar if its mass is 2.34 kg. (Hint: Convert to grams first.)
Physical Science
03/10/17
Calculate the volume of a steel bar with the following dimensions: Length = 5 cm Width = 2 cm Height = 30 cm
Calculate the volume of a steel bar with the following dimensions:Length = 5 cmWidth = 2 cmHeight = 30 cm
Physical Science
03/10/17
Calculate the volume of a paperback book with the following dimensions: Length = 12 cm Width = 3 cm Height = 20 cm
Calculate the volume of a paperback book with the following dimensions:Length = 12 cmWidth = 3 cmHeight = 20 cm
Physical Science
03/05/17
What property do all metals have?
a)They are solids at room temperature?
b)They conduct electricity.
c)They are magnetic.
d)They are brittle.
Physical Science
03/03/17
Can you help to find the acceleration of the traveling car?
A car traveling at 15m/s starts to decelerate steadily. It comes to a complete stop in 10 seconds. What is its acceleration?
Physical Science
03/01/17
what is the force on a 10-kg ball falling freely due to the pull of gravity
I need help please I can't figure out this question and its due today
Physical Science
02/15/17
Which of the following would be a compound: Mg, NaCl, H
A. MG
B. NaCl
C. H
02/07/17
Physical sciences are based on logic and mathematics and serve as the basis for the life sciences and the behavioral sciences.
are based on logic and mathematics and serve as the basis for the life sciences and the behavioral sciences.
Physical Science
01/31/17
A 6 L container of gas at a temperature of 293 K is compressed to a volume of 4 L. What is the temperature after the compression?
find the temperature of the compression
Physical Science
01/30/17
If a 22.5 L container of nitrogen at a pressure of 748 Pa is compressed to 725 Pa, what is the new volume of the container?
If a 22.5 L container of nitrogen at a pressure of 748 Pa is compressed to 725 Pa, what is the new volume of the container?
Physical Science
01/19/17
How does the paint on a car help to keep it from rusting
I need all answers for physical science
Physical Science
01/14/17
8) Which will be moving faster after 3.0 s, a cyclist maintaining a constant velocity of 15 m/s straight ahead or a race car accelerating forward from a stoplig
S1 acceleration problem.
Physical Science
01/04/17
How could you use the position vs. time graph to figure out who walked faster
Becca and sam each walked a 100-meter course around the school track. Each of their wplots are plotted on a single position vs. time graph. If you didnt have a chance to watch them in person, how...
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Physical Science
01/04/17
Which of the following statements are true? Check all that apply.
A.An atom is always found in the exact same position.
B.The faster atoms are moving, the less kinetic energy they have.
C.Atoms are always moving.D.Atoms have kinetic energy.
Physical Science
12/19/16
if a person walks 50ft north 30 ft west and 50 ft south. what is there distance of travel? what is their displacement?
if a person walks 50ft north 30 ft west and 50 ft south. what is there distance of travel? what is their displacement?
Physical Science
12/18/16
if a 200n action force is exerted to the left, what is the reaction force?
I am studying for my final and am struggling with finding out the formula and/or answer to this question. I would appreciate it if someone could help out, thank you.
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