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Natali [406]
3 years ago
6

HELP IS FOR TOMORROW PLEASE

Physics
2 answers:
choli [55]3 years ago
4 0

Answer:

mm I don't know but ur pfp is ugly change it maybe that will help<3

Explanation:

-xoxo

torisob [31]3 years ago
4 0

Answer:

The first one: 240 meters

The second one: 960 meters

Explanation:

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While rearranging a dorm room, a student does 310 J of work in moving a desk 2.9 m. What was the magnitude of the applied horizo
Viefleur [7K]

Answer:

The horizontal force is 106.89 N.

Explanation:

Given that,

Work done = 310 J

Distance = 2.9 m

We need to calculate the horizontal force

Using formula of work done

W= Fd\cos\theta

Where, \theta=0^{\circ}

W=F\cdot d

Put the value into the formula

310=F\cdot 2.9

F=\dfrac{310}{2.9}

F=106.89\ N

Hence, The horizontal force is 106.89 N.

3 0
3 years ago
Special features allow newspapers and news stations to target more specific audiences than headline news alone.
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A) True there able to target the people they post the assignment on.
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3 years ago
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a concave mirror with a radius of curvature of 1.0 m is used to collect light from a distant star. what is the distance between
kherson [118]

To gather light from a far-off star, a concave mirror with a radius of curvature of 1.0 m is utilized. Most likely 0.25 meters separate the mirror from the star's picture.

A concave mirror is a kind of spherical mirror in which the reflecting surface is the inside radius of curvature of the sphere, or in other words, the reflecting surface appears to be far from the incident light source. Is called concave mirror.

The reciprocal of the curvature is known as the radius of curvature, or R. It is equal to the circumference of the circular arc that, at that location, most closely resembles the curve. The circle's radius that best matches a normal section is known as the radius of curvature for surfaces.

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7 0
1 year ago
An object starts from rest and slides with negligible friction down an air track tipped at an angle theta from the horizontal. A
Alex Ar [27]

Answer:

The value of θ can be determined by slope of graph as function of square of time.

Explanation:

Lets take

Mass = m

Angle of inclination =θ

From diagram

mg sinθ = m a

So

a=g sinθ

We know that

S=ut+\dfrac{1}{2}at^2

Given that block is in rest position initially.

u= 0

S=\dfrac{1}{2}(gsin\theta ) t^2

We can say that

S∝ t²      If we assume that t and x and S as y y= m x

S=\dfrac{1}{2}(gsin\theta ) t^2

Here slope ,m

m=\dfrac{1}{2}(gsin\theta )

So the value of θ can be determined by slope of graph as function of square of time.

6 0
3 years ago
For 660 ohm resistors are connected in parallel what is the total equivalent resistance
alexdok [17]

The overall electrical resistance that a circuit experiences as a result of all of its resistors acting in concert against its voltage source are known as the equivalent resistance of the circuit.

<h3>What is equivalent resistance?</h3>

The total resistance, or equivalent resistance, is equal to the mathematical sum of the two resistances if there are two unequal resistors or impedances in a series.

Where the whole resistance is connected in parallel or series is known as the equivalent resistance. Electrical resistance indicates the amount of energy needed to transfer the charges, or current, across the circuit.

The total or equivalent resistance, RT, is equal to half the value of one resistor if the two parallel resistances or impedances are equal and of the same value.

The overall electrical resistance that a circuit experiences as a result of all of its resistors acting in concert against its voltage source are known as the equivalent resistance of the circuit.

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7 0
2 years ago
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