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nikitadnepr [17]
2 years ago
9

Which statement provides the most complete description of an object's motion?

Physics
1 answer:
vivado [14]2 years ago
5 0

Answer:

A. The bird watcher followed the south trail a distance of five kilometers in 45 minutes.

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Which of the following represent units of capacitance? You may choose more than one correct answer:
inessss [21]

Answer:

Capacitance is a derived physical quantity measured in farad

4 0
2 years ago
A charge Q is uniformly spread over one surface of a very large nonconducting square elastic sheet having sides of length d. At
yaroslaw [1]

The electric field of a very large (essentially infinitely large) plane of charge is given by:

E = σ/(2ε₀)

E is the electric field, σ is the surface charge density, and ε₀ is the electric constant.

To determine σ:

σ = Q/A

Where Q is the total charge of the sheet and A is the sheet's area. The sheet is a square with a side length d, so A = d²:

σ = Q/d²

Make this substitution in the equation for E:

E = Q/(2ε₀d²)

We see that E is inversely proportional to the square of d:

E ∝ 1/d²

The electric field at P has some magnitude E. Now we double the side length of the sheet while keeping the same amount of charge Q distributed over the sheet. By the relationship of E with d, the electric field at P must now have a quarter of its original magnitude:

E_{new} = E/4

4 0
2 years ago
At 6: 00 am, a motorbike set off from town A to town B at a speed of 40km/h. At the same time, a car set off from town B to town
Keith_Richards [23]

Answer:

One would need to know how far apart the towns are:

T = SA / 40      time it takes for first cyclist to travel S1

T = SB / 60       time it takes for cyclist B to travel distance S2

SA + SB = S     the distance between the towns

SB = 60 / 40 SA = 1.5 SA

SA + 1.5 SA = S

S = 2.5 SA where cyclist travels distance SA

The time will depend on the separation of the towns.

4 0
1 year ago
HELP ME please
allochka39001 [22]

Answer:

Ruko zara kuch Time dedo na please

3 0
2 years ago
You forgot to put what IRITONCF is unscrambled
Lesechka [4]
I'm Pretty sure it's FRICTION
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3 years ago
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