Answer:
0.613 milliseconds
Explanation:
PLEASE HELP ANSWER THIS WORKSHEET IT'S DUE TODAY WILL GIVE BRAINLIEST BALANCED AND UNBALANCED WORKSHEET
Answer:The net force for A. Is 2 and the resultant motion is up
B. NET force: 2 resultant motion: left
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C. Net force: 3 Resultant motion: Left
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D. Net Force: 7 Resultant motion: right
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E. Net Force:0 resultant motion: NO MOTION
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F. NET Force: 3 resultant motion: Down
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G. NET FORCE: 10 resultant motion: up
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H. Net force: 3 Resultant motion: left
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I. Net force: 50 Resultant motion: right
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J. NET FORCE: 75 Resultant motion: down
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K. Net force :200 Resultant motion: Right
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L. force: 0 resultant motion:No motion
Explanation:
What is the unit measure for energy
Answer:
unit measure of energy is joule
Answer:
unit of energy measurement is joule
Explain why the cyclist must be fed in order to continue to pedal? answer fast please
The cyclist must be fed in order to continue to pedal because food will
provide him/her with energy to continue with it.
Cycling and other forms of activities involve the use of energy by the body ton perform them and the energy dwindles with time which is why we eat everyday to gain more energy.
The cyclist will have to eat foods such as carbohydrates so as to have more
energy to continue to pedal.
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Under most conditions, except ________ change, the resistance of an object is a constant and does not depend on the amount of the voltage or the amount of current passing through it.
Answer:
Temperature change
Explanation:
Which of the following is a result of the transfer of energy?
- gravity
- matter
- magnetism
- sound
Answer: Sound
Explanation: it's asking which of the following is a result of transfer of energy and sound comes from vibrations
PLEASE HELP BALANCED AND UNBALANCED FORCE QUESTION
Answer:
YW
Explanation:
water in a cup and a kettle can have the same temperature even though the quantities are different . give reasons
Answer:
The reason is because both are exposed to a virtually infinite heat sink, due to the virtually infinite mass and of the surrounding environment, compared to the sizes of either the cup or the kettle such that the equilibrium temperature, [tex]T_{(equilibrium)}[/tex] reached is the same for both the cup and the kettle as given by the relation;
[tex]\infty M_{(environ)} \times c_{(environ)} \times (T_2 - T_1) = m_{1} \times c_{(water)} \times (T_3 - T_2) + m_{2} \times c_{(water)} \times (T_4 - T_2)[/tex]
Due to the large heat sink, T₂ - T₁ ≈ 0 such that the temperature of the kettle and that of the cup will both cool to the temperature of the environment
Explanation:
When testing water for chemical impurities, results are often reported as bdl, that is, below detection limit. The following are the measurements of the amount of lead in a series of water samples taken from inner-city households (in parts per million): 5, 7, 12, bdl, 10, 8, bdl, 20, 6 Which of the following statements can we be sure is true? (a) The mean lead level in the water is about 10 ppm. (b) The mean lead level in the water is about 9 ppm. (c) The median lead level in the water is 7 ppm. (d) The median lead level in the water is 8 ppm. (e) Neither the mean nor the median can be computed because some values are unknown.
Answer:
The median lead level in the water is 7 ppm.
Explanation:
PLEASE HELPP MEEE
5. While you're ice-skating with your friends, you push off from one end of
the rink and slide forward. Based on Newton's first law of motion, what
is true?
A. You will lose your balance and fall over before you reach the middle of
the ice rink
B. You will continue to slide across the ice until a force makes you stop or
change direction
C. The force of gravity will make you keep your velocity until your friends
make you stop
D. The size of your ice skates will determine how quickly or slowly you
travel across the ice
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Answer:
B
Explanation:
Newton's 1st law of motion is anything that is at rest remains at rest and anything in motion remains in motion so you will continue to slide until you come into contact with the opposite wall or another force.
Can someone please help me. I think it D but I wanna make sure kk and thank you What is the main purpose of an scientific investigation A) to persuade with bias B) to teach an lesson C) to form an opinion D) to test a hypothesis
Answer: I believe it to be D.
If a boat travels 20 km in 3 h due north, what is the boat’s average velocity?
Answer: 6.66666667 or 6.66 km per hour
Explanation: (velocity = distance÷time) or (v=d÷t)
What part of physics are you looking forward to the most?
Answer:
all of it
Explanation:its cool
PLEASE HELP A car accelerates from rest at 2.92 m/s2 What is the velocity at the end of 5.1 s? Answer in units of m/s. What is the displacement after 5.1 s? Answer in units of m.
Answer:
first you have to organize the data. a=acceleration t=time v0=inicial velocity vf=final velocity
a=2.92m/s2
t=5.1s
vf=?
v0=0
now the formula you have to use is: vf=vi+a*t (final velocity equals to inicial velocity plus acceleration times time)
Explanation:
i was the best at my class, hope it helped
If you are facing north, then east is to your
Answer:
The real answer is right
Explanation:
A ball rolls at a speed of 6cm/s how far does the ball roll in 40 seconds ? ____cm
A team of seven psychologist is study love, but each psychologist is working from a different perspective. In your opinion, what might each pyschologist stufy?
Answer:
- Behavioral Psychologists
- Psychodynamic Psychologist
- Biological Psychologist
- Cognitive Psychologist
- Evolutionary Psychologist
- Socio - Cultural Psychologist
- Humanist Psychologist
Explained in explanation section
Explanation:
There are different classes of psychologists but for the purpose of this question we need just 7 that would fit into the study of love. These 7 will be;
1) A behavioral Psychologist might study behaviors associated with love, such as hugging, caressing or kissing.
2) A psychodynamic psychologist might study how a people's challenges with love are caused by unmindful and unresolved conflicts.
3) A biological psychologist might study which chemicals in the brain such as dopamine make people feel loved. He might also study parts of the what parts of the brain are active when people are in love.
4) A cognitive psychologist might study how people's cognitive processes will change when they are in love.
5) An evolutionary psychologist might study how certain actions or behaviors associated with love provided our forefathers with sufficient knowledge to handle their love problems.
6) A sociocultural psychologist might study how people express love in in various cultures across the world.
7) A humanistic psychologist might study the behavior of those who feel most loved and the impact it has in their lives
Answer:
A psychodynamic psychologist might study how a person's problems with love are caused by unconscious, unresolved conflicts. A behaviorist might study observable behaviors associated with love, such as hugging or kissing. A cognitive psychologist might study how a person's cognitive processes change when one is in love.
A car accelerates from rest to 90m/s in 3 seconds. What is the acceleration and how far did it travel?
Answer:
Explanation:
1.)acceleration= final velocity-initial velocity/time
90m/s-0m/s /3seconds
=30m/s^2
2.) distance= speed*time
90m/s*3seconds
=270m
Convert 1215 m to km.
Answer:
Answer:
it is 12.15 km
Explanation:
1215 km ÷1000
=12.15
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which term describes the energy an object has because of its motion? Potential Nuclear Kinetic Thermal
Answer:
The answer is Kinetic Energy
Explanation:
Kinetic energy is the term describes the energy an object has because of its motion. Option C is correct
What is kinetic energy?The energy of the body by the virtue of its motion is known as the kinetic energy of the body. It is defined as the product of half of mass and square of the velocity.
KE =1/2mv²
Where,
m is the mass
KE is the kinetic energy
v is the velocity of the body
The word "kinetic energy" refers to the energy that an item possesses as a result of its motion.
Hence option C is correct.
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What is the distance a bike travels at 38 km/he for 4.5 seconds?
Answer:
2.36m/s
Explanation:
first you have change 38km/hr into m/s
then divide your answer with 4.5
The difference between the two molar specific heats of a gas is 8000J/kgK. If the ratio of the two specific heats is 1.65, calculate the two molar specific heats.
Answer:
sorry
Explanation:
pls search on google
What is the momentum of a 3 Kg ball that is traveling at 9 m/s to the left?
Answer:
Explanation:
momentum =mv
p=mv
given mass=m= 3 kg
given velocity=v=9 m/s
therefore p is
p=mv
p=3*9
p=27 kgm/s
A torn T-shirt was found in the back seat of a suspect's car. Two pieces of torn cloth were found at the scene of the crime. Can the two pieces be individualized to the T-shirt? Explain.
Answer:
Yes you can
Explanation:
Match the tears found on the individual pieces with the individual holes seen on the shirt
If several negative charges surround a large positive charge, the total force on a far away charge is reduced. What is this effect called
Answer:
this effect is called SCREENING
Explanation:
When a positive charge is surrounded by several negative charges at a long distance, an apparent decrease in the positive charge is observed, this effect is called SCREENING and is noticeable in multielectronic atoms
This effect is responsible for the decrease in ionization energy in the larger atoms.
A person runs 15.0 km north then turns around and runs 10.0km south.
a) what is his distance?
b) what is the person's displacement?
Answer:
A. 25kmB. 15kmExplanation:
In this problem, we are expected to solve for the total distance covered by the person, and the person's displacement.
a) what is his distance?
this can be gotten by summing up all the individual distances covered by the person
total distance= 15+10
total diastance= 25 km
b) what is the person's displacement?
the displacement is the distance measured away from a point
this can be gotten by subtraction the final distance/point from the initial distance/point
displacement= 25-10
displacement= 15km
name the fundamental units involved in pascal
Explanation:
Hey there!
Here,
Pascal is a unit of pressure.
[tex]pressure = \frac{f}{a} [/tex]
Now, As per the formula the units are:
kg, m and s^2.
Hope it helps...
Please help Its due in ten minutes
Here you go, hope this helps you.
Why water is not used as a thermometric liquid?
Answer:
Explanation:There are many reasons why water is not used as a thermometric liquid (or is less preferred), chief among which is its transparency. It is thus comparatively harder to make any readings with it. It also has a lower boiling and higher freezing point compared to most liquids.
A jogger runs 3 miles east then 7 miles west what is her displacement
Answer: 4 miles.
Explanation:
Let's use the rectangular coordinates (x,y)
And define:
East as the positive x-axis.
North as the positive y-axis.
We know that, if the jogger starts at the point (0mi, 0mi):
"Runs 3 miles East"
Then the new position is (3mi, 0mi)
"Then 7 miles west"
The new position is (3mi - 7mi, 0mi) = (-4mi, 0mi)
Now, the displacement is calculated as the difference between the initial position and the final position, and this can be written as:
D = I (-4mi, 0mi) - (0mi, 0mi)I = √( (-4mi - 0mi)^2 + (0mi - 0mi)^2) = 4mi
The total displacement is 4 miles.
1) Describe the motions of the moon relative to the Earth and the sun. Explain how this causes us to see phases of the moon, and identify these phases by name.
Answer:
Explanation:
The moon is a natural satellite of the earth, which performs rotational and revolutionary motions simultaneously. As the earth rotates about its axis, the moon rotates round it. But revolves round the Sun, as the earth also revolves round the Sun.
The motion of the moon causes series of its phases. Some major phases of the moon are, new moon, 1st quarter, full moon, and 3rd quarter (last quarter).
Since the moon reflects the light from the Sun, the face of the moon reflecting the light from the Sun changes gradually with respect to its motion.
At new moon, the face of the moon reflect no light. But reflects 100% at full moon. While both 1st and 3rd quarters show partial reflections.