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motikmotik
2 years ago
5

XERCISE

Physics
1 answer:
kkurt [141]2 years ago
3 0

The answer is Anguer...

<em>Hope </em><em>it </em><em>helps.</em><em>.</em><em>.</em><em> </em><em>pls </em><em>mark</em><em> brainliest</em>

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A rope horizontally pulls a massive object lying on a surface with friction with a constant
SVEN [57.7K]

Answer:

Equal to the frictional force

Explanation:

<u>Question</u>; The options given with regards to a similar question posted online are;

A. Equal (equivalent) to the frictional force

B. Larger than the frictional force

C. Equal to the object's weight

D. More than the object's weight

Explanation

According to Newton's first law of motion, every object shall remain at rest or continue moving with uniform (constant speed) motion unless there is a net force acting on the object

Given that the velocity of the massive block, lying on the surface that has friction, being pulled by the rope = Constant

Therefore;

The net force acting on the moving block while being pulled by the rope = 0

From which we have;

The pulling force = The resistive force

Where;

The pulling force = The (pulling) force (applied) on the rope

The resistive force = The frictional force of the surface which tends to prevent the motion of the block

Therefore, given that the net force acting on the block = 0

The force on the rope = The frictional force (of the surface)

The correct option is option A. Equal to the frictional force.

5 0
3 years ago
Which wave has a disturbance that is parallel to the wave motion?
Rashid [163]
<h3><u>Answer;</u></h3>

D. Longitudinal waves

<h3><u>Explanation;</u></h3>
  • A wave is a transmission of a disturbance from one point to another. It involves the transmission of energy from a source to other points.
  • <em><u>Waves may classified as longitudinal waves or transverse waves depending on the vibration of particles relative to the wave motion.</u></em>
  • <em><u>Longitudinal waves are waves in which the vibration of particles is parallel to the direction of the wave motion, while transverse wave are types of waves in which the vibration of particles is perpendicular to the wave motion.</u></em>
  • Longitudinal waves creates regions of compressions and rarefactions, while transverse waves creates regions of maximum displacement called crests and troughs
3 0
3 years ago
Read 2 more answers
How many cycles/vibrations are there in 1 wavelength?
AnnZ [28]
Te question is missing some information. However, I'll try to help you out with the steps.

We have the relation between velocity, wavelength and frequency expressed as follows:
c = λμ
where:
c is the speed of the wave
λ is the wavelength of the wave
μ is the frequency of the wave

Substituting in the above equation, we can get the frequency of the wave which is the number of vibrations per units of time

We can then get the periodic time which is 1/frequency

Hope this helps :)

3 0
3 years ago
The volume of a gas is reduced when the temperature is decreased
Sloan [31]
Decreasing Pressure. The combined gas law states that the pressure of a gas is inversely related to the volume and directly related to the temperature. If temperature is held constant, the equation is reduced to Boyle's law. Therefore, if you decrease the pressure of a fixed amount of gas, its volume will increase.
8 0
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If a fertilized egg cannot reach the uterus, what is the most likely result?
murzikaleks [220]
D. A fetus will develop in the fallopian tube.
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