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LuckyWell [14K]
3 years ago
12

Please help me out i'm so depressed and such a failure

Physics
1 answer:
aksik [14]3 years ago
4 0

Answer:

I reckon towards b. Let me know if im right

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___________ is a force that opposes motion between two surfaces that are in contact
kobusy [5.1K]

Answer:

Friction

Explanation:

Friction can be simply defined as the force that creates resistance to any motion of a particular object that moves relative to another object. It occurs because of the electromagnetic force of attraction that is generated by the charged particles located between the two distinct contacting surfaces. It is a non-fundamental force.

This type of force is mainly responsible for the resisting of sliding and/or rolling of an object over the other one.

5 0
3 years ago
Read 2 more answers
Which of the following is the best thermal conductor?
wel

Answer:

steel because being alloy in metal it has free electrons in metals

7 0
3 years ago
This chart shows characteristics of three different types of waves.
prohojiy [21]

Answer:

1. Primary or P waves are push and pull waves

2. Secondary, S or Shear Waves are also called transverse wave

3. L or surface waves reach the earth's surface after P and S waves

7 0
3 years ago
An ideal gas is enclosed in a piston, and 1600 J of work is done on the gas. As this happens, the internal energy of the gas inc
Phantasy [73]

Answer:

- 1100 J heat flows out

Explanation:

dW = - 1600 J (as work is done on the gas)

dU = 500 J

dQ = ?

According to the first law of thermodynamics

dQ = dU + dW

dQ = 500 - 1600

dQ = - 1100 J

As heat is negative so it flows out.

3 0
3 years ago
Two blocks with masses m1=0.25kg and m2=1.4kg approach each other along a horizontal, frictionless track. The initial velocities
Alina [70]

Answer:

The energy would remain equal to that of the initial kinetic energy since it is a frictionless surface. However if it is an inelastic collision then energy would be lost due to sound and heat.

Explanation:

4 0
4 years ago
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