What does balanced and unbalanced forces have to do with newtons laws of motion
Answers
It has to be understood that this actually means the combination of any and
all individual forces acting on it, with their individual strengths and directions
all added together.
When all the individual forces acting on an object add up to zero, then the
whole group of forces is said to be 'balanced'.
When all the individual forces acting on an object don't add up to zero, then
the whole group of forces is said to be 'unbalanced'.
Notice that there's no such thing as 'a balanced force' or 'an unbalanced force'.
It's a group of two or more forces that's balanced or unbalanced.
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A ball rolls with a speed of 4.0 m/s across a level table that is 1.0 m above the floor. Upon reaching the edge of the table, itfollows a parabolic path to the floor. How many meters along the floor is the landing spot from the table?
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Answers
= (2 per second) x (5 cm) = 10 cm/sec .
show your working out.
Answers
a single power source, then the voltage across each bulb
is ( 1/50 ) of the voltage delivered by the power source.
I'm not 100 per cent sure this is correct though and different countries may have different mains power supplies. Hope it helps anyway.
EDIT: This also does not take into account resistance in the bulbs and wires but is all I can tell you from the information provided in the question.
B. 3 kg-m/s
C. 15 kg-m/s
D. 10 kg-m/s
Answers
The momentum of a book with a mass of 5 kg is pushed off a table with a velocity of 2 m/s is option D. 10 kg-m/s.
What is momentum?
- Momentum is the quantity of motion of a moving body, measured as a product of its mass and velocity.
- It is the vector quantity. It has both magnitude and direction.
- In the International System of Units, the unit of measurement of momentum is Kg*m/s.
What is the momentum of a book with a mass of 5 kg is pushed off a table with a velocity of 2 m/s?
- Formula of momentum = p = mv
Here,
p = momentum
m = mass
v = velocity
- Here the given mass is 5 and velocity is 2. then,
p = mv
=5×2
=10 Kg*m/s
Hence, the momentum of a book with a mass of 5 kg is pushed off a table with a velocity of 2 m/s is option D. 10 kg-m/s.
To learn more about momentum, refer to: brainly.com/question/26138070
#SPJ2
Momentum=Mass•Velocity
=5 kg•2 m/s
=10 kg-m/s
Answers
There must be a description of the ball and its environment,
somewhere earlier on the sheet where we can't see it. We
don't know what the conditions and environment are around
the ball as it moves downward. So I can only answer in the
most general way, and make up some scenarios.
If the ball is falling from an airplane, then it has to use some
of its energy to push air out of the way, and even then, it loses
some more energy as the air molecules scrape against its side.
This is all called 'air resistance'. It's a form of friction, the form that
takes energy away from anything that's moving through air.
If the ball is rolling across the lawn, then it takes some energy
to bend the blades of grass down along its path. That's why a
ball that's rolling anywhere on Earth always stops, although
Newton's laws of motion say that an object in motion always
keeps moving and doesn't stop.
Answers
As we know that spring potential energy is given by the formula
now it is given to us that
now we will plug in data in above equation
now we will have
B.Neutral charges are attracted to neutral charges.
C.Opposite charges are not attracted to each other.
D.Positive charges are attracted to negative charges.
Answers
D.Positive charges are attracted to negative charges.
Answer:
D. Positive charges are attracted to negative charges.
Explanation:
The interaction between two like-charged objects is repulsive. The interaction between two oppositely charged objects is attractive. ... Positively charged objects and neutral objects attract each other; and negatively charged objects and neutral objects attract each other.
I just take the quiz
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