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katen-ka-za [31]
3 years ago
13

Friction removes energy from objects in motion. Which statement best describes how this works?

Physics
1 answer:
xenn [34]3 years ago
8 0

<em>friction transforms KE into thermal energy (a)</em>

That's why, if it goes on long enough, the moving object actually gets warm.

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12. Suppose a person is covered head to foot by wool clothing with average thickness of 2.00 cm and is transferring energy by co
Vikki [24]
27 degrees because yea ik the answer
7 0
2 years ago
A block of mass 10kg is moved at a constant speed through a horizontal distance of 4m, by applying a force 50N. How much work ha
algol13

Answer:

Explanation:

given that

mass = 10kg

distance = 4m

force = 50N

to calculate the workdone when the force is applied in the same direction of displacement

mathematically,

workdone = force × distance

Workdone = 50 × 4

workdone = 200 joules

2) to calculate the workdone at an angle of 30° with the displacement we apply the formula

workdone = force × distance × cos Ф

workdone = 50 × 4 × cos 30°

workdone = 200 × 0.866

workdone = 173 . 2 joules

4 0
3 years ago
Which mathematically describes the wave properties of electrons?.
Afina-wow [57]
The Quantum Theory

Hope this helps
8 0
2 years ago
Read 2 more answers
Which of these statements is false? Question 18 options:
Katarina [22]

True because the kind of light we get is white light and everything we see is actually every colour except the color we are seeing because that is wwhat is reflected

6 0
3 years ago
2.
gizmo_the_mogwai [7]

Answer:

a) P1=100kpa

V1=6m³

V2=?

P2=50kpa

rearranging mathematically the expression for Boyle's law

V2=(P1V1)/P2=(100×6)/50=12m³

b) same apartment as in (a) but only the value of P2 changes

=> V2=(100×6)/40=15m³

Explanation:

since temperature is not changing we use Boyle's law. mathematically expressed as P1V1=P2V2

4 0
3 years ago
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