Physics High School

which of the forces are the equilibrant force? explain ​

Which Of The Forces Are The Equilibrant Force? Explain

Answers

Answer 1

Answer:

F3 is equilibrant to F1 and F2

Related Questions

An elastic collision is one in which:

Answers

Answer:

.conserves kinetic energy and momentum

.does not coalesce

.causes much lesser deformation as compared to inelastic

.the two bodies involved; after collision move with separate final velocities.

Explanation:

eg. throwing a ball at a wall

collision between a punch and your nose,haha

I guess that will cause a lot deformation..

.

Describe the mirror formula for a concave mirror in a shortcut way​

Answers

Answer:

1/f =1/v+1/u

Explanation:

A car accelerates from 0 to 72 km/hr in 8 seconds. What is the car's acceleration?

Answers

Explanation:

Vi = 0 m/s

Vf = 72 km/hr = (72×5)/18 = 20 m/s

t = 8 s

Vf = Vi + a×t

20 = 8a

a = 2.5 m/s^2

Answer:

Initial Velocity (u) = o m/s

Final Velocity (V) =(72*1000)/1*60*60 m/s

= 20m/s

time (t) =8 sec

Acceleration(a)= v-u /t

=(20-0)/8

=2.5 m/s^2

this is the answer i just did the problem

Which equation could be rearranged to calculate the frequency of a wave?

wavelength = frequency/speed
frequency = wavelength/speed
wavelength = speed/frequency
frequency = speed x wavelength

Answers

The frequency of a wave is speed/wavelength.

What is frequency?

Frequency is the number of cycles completed by a wave in one second.

The S.I unit of frequency is hertz.

The formula for the frequency of a wave is given by

Formula:

v = λf.............. Equation 1

Where:

v = speed of the waveλ = wavelength of the wavef = frequency of the wave.

Make f the subject of the equation

f = v/λ.............. Equation 2frequency = speed/wavelength

Hence, The frequency of a wave is speed/wavelength.

Learn more about frequency here: https://brainly.com/question/301048

Answer:

C

Explanation:

Trust

Compare and contrast the way molecules behave in liquid to the way they behave in solids and gases.

Answers

In liquids, molecules particles are close together but move in random directions.

In solids, they are closely packed together and they vibrate a little.

In gases, they love around really quickly and are farther apart (even more than liquids).

Answer:

Atoms, molecules,  ions are all present in gases, liquids, and solids, but their behavior varies depending on the process. ...gas are well separated and not arranged in any particular order. There is no regular arrangement of liquids, so they are close together. Solids are arranged in a regular pattern and are tightly packed

Explanation:

At what velocity does a 10kg book dropped from 5 meters hit the ground at?

Answers

Answer:

10m

Explanation:

v²=u²+2as

=0²+2×10×5

=100

v =10m/s

How do I solve this. I need this done ASAP

Answers

Answer:

i really don't know

Explanation:

does frequency affect wavelength?

Answers

Answer:

yeah

Explanation:

as wavelength increases frequency decreases and it goes the same for the opposite way

what is significant figures​

Answers

Explanation:

Significant figures of a number written in positional notation are digits that carry meaningful contributions to the measurement resolution of the number.

Answer:

The value of a physical quantity is expressed by a number followed by some suitable unit.

Explanation:

every measurement of a quantity is an attempt to find true value.

rules for identifying significant figures:

1)All non-zero numbers ARE significant. e.g. The number 33.2 has THREE significant figures because all of the digits present are non-zero.

2)Zeros between two non-zero digits ARE significant. e.g. 2051 has FOUR significant figures. The zero is between  2 and  5.

3)Leading zeros are NOT significant. e.g.  The number 0.54 has only TWO significant figures. 0.0032 also has TWO significant figures. All of the zeros are leading.

4)Trailing zeros to the right of the decimal ARE significant. e.g.  There are FOUR significant figures in 92.00.

5)Trailing zeros in a whole number with the decimal shown ARE significant. e.g. Placing a decimal at the end of a number is usually not done. By convention, however, this decimal indicates a significant zero. For example, "540." indicates that the trailing zero IS significant; there are THREE significant figures in this value.

Let’s say hypothetically I was living the same day over and over again, and I couldn't fix it, would other people be able to still go to the next day?

Answers

Answer:

no because it will also affect other people

Which vector below goes from (0, 0) to (-2, 3)?

Answers

Here is the answer!!!!!!!

QUICK: A circular loop of radius r is rotated through a magnetic field B, which of the following would increase the magnetic flux through the loop by a factor of 16?

SELECT ALL THAT APPLY
A. Doubling B and quadrupling r.
B. Quadrupling B and doubling r.
C. B remains constant and quadrupling r.
D. Doubling B and doubling r.

Answers

Doubling B and quadrupling r

Two students move a box to the left. One student pushes with a force of 100 N to the left, and the other student pulls with a force of 85 N to the left. They move the box 20 m in 7 s. What is the total amount of work done on the box by the students?

Answers

Answer:

Resultant Force= F1 - F2

F1= 100N

F2= 85N

Resultant Force= 100N - 85N

R.F = 15N

Workdone= Force x Displacement

Force = 15N

Displacement = 20m

= 15N X 20m

=300Nm or Joules

Please I need an answer

Answers

B or c
It’s kinda confusing

Answer:

D

Explanation:

The ballon will repel

THE
Ammeter
А
1
592
o
12
Р
А
er
1002
w
Circuit 2​

Answers

Answer:

child i dont even know the answer for this question

Explanation:


Punnett squares are used by geneticists to determine the probability of
different offspring genotypes.

Answers

Answer:

are used by geneticists to determine the probability of different offspring genotypes.

Gloria wants to test if the amount of air pressure in a soccer ball affects how far the ball will roll. She purchases five soccer balls that are all the same size and a ball pump with a pressure gauge attached
She constructs a device to hit the ball and chooses a smooth, flat surface for the ball to roll on. She has a log ready to record her data. What should Gloria do before beginning her experiment?
A
inflate each ball the same amount
B
inflate each ball a different amount
C
construct different devices to hit the ball
D
choose different surfaces to roll the ball on

Answers

B. inflate each ball a different amount

A car traveled 30 km in 20 minutes. What is its average speed?

Answers

Answer:

One and a half km per minute

Explanation:

Answer:

1.5

Explanation:

What caused the light to shine on the paper above the mirror?
O The light was refracted.
The light was reflected.
The light was amplified.
The light was diffracted.

Answers

Answer:

The Light was reflected, b.

Explanation:

If the flashlight was pointed at the mirror, it was reflected because it did not stop on the mirror or go through the mirror or reflect in different ways.

Two charged objects have a repulsive force of 0.050 N. If the charge of one of the objects is doubled, then what is the new force?

Answers

Answer:

.025

bc force is directly proportional to the product of two charge

CAN YOU EXPLAIN?
How are waves different, and how do their differences
affect their characteristics?

Answers

Answer:this this is an image of this is helpful to you please thank you



2. An object's weight is proportional to its _ or _ from another object

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Answer:

mass

gravitational pull

If a football player hits the ball with a force of 50 N, determine the reaction force.

Answers

Answer: 60

Explanation: if u hit it it will have impact and the impact added 10n

When the football is snapped, which player will have the smallest change in kinetic energy?

Answers

The quarterback because he needs to be still for that split second while waiting for the ball to reach his hands, while everyone else is free to move when the ball moves

The energy generated by the sun travels to Earth as electromagnetic waves of varying lengths. Which statement describes an electromagnetic wave with a long wavelength?
А
It has a high frequency and low energy.
B. It has a high frequency and high energy.
C. It has a low frequency and can travel through a vacuum.
It has a low frequency and needs a medium to travel through

Pls help quick!!!!

Answers

Answer:

It has low frequency and can travel through a vacuum

Explanation:

C.

19. A car accelerates uniformly in a straight line from 10 m/s to 20 m/s in 5 seconds. What is the
acceleration?

Answers

Answer:

2 [tex]m/s^{2}[/tex]

Explanation:

Acceleration = [tex]\frac{Final velocity-Initial velocity}{Time}[/tex]

= [tex]\frac{20 - 10}{5}[/tex]

= [tex]\frac{10}{5}[/tex]

= 2 [tex]m/s^{2}[/tex]

3. Why is a train so hard to stop even when it is going
slowly?

Answers

Answer:

For trains the wheels and the rail are both steel, and the steel-steel friction coefficient is around 0.25. So the stopping time and distance will, at best, be three to four times greater than a car.

Explanation:

If 20,000J of work is used to move a car that is broken down, how much is the change in energy that has occurred?

Answers

Answer:

 K_f = 20000 J

Explanation:

This is a conceptual exercise, where the relationship between work and kinetic energy should be used

            W = ΔK

             W = K_f - K₀

In this case, as the car is damaged, its initial velocity is zero and therefore its initial kinetic energy is also zero.

             W = K_f

consequently the work is completely transformed into kinetic energy of the car

             K_f = 20000 J

explain how height,acceleration,and speed would affect the movement of a roller coaster​

Answers

The effective acceleration or deceleration due to gravity depends on the inclined angle of the track relative to ground; the steeper the slope is the greater the effective acceleration.

What causes water molecules to be attracted to each other?

Answers

Answer:

the positive and negative charges of the hydrogen and oxygen atoms that make up water molecules makes them attracted to each other

Explanation:

Hope this helps dude

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