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dedylja [7]
2 years ago
13

The force in a string which is holding up an apple which type of force is it?​

Physics
1 answer:
In-s [12.5K]2 years ago
6 0
Gravitational force
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The graph below represents the motion of four cars, labeled W, X, Y, and Z.
ycow [4]

Answer:

Answer is A

Explanation:

As we know , for constant velocity we get a straight line.

The formula for this problem is s = vt which is similar to a straight line formula like y = mx + c.

If we put here c = 0 we get the formula for distance and velocity.

So the answer is A.

6 0
2 years ago
If you swim from one point at the edge of the pool to another, along a straight line, what is the longest distance d you can swi
densk [106]

The longest distance that a person can swim is 5.64 m.

<h3>What is the longest distance?</h3>

We know that the diameter of a circle is a line that is drawn from one point to another in the circle. Now we are told that the pool is circular in nature. That implies that the longest that a person can swim could be obtained form the diameter of the circle.

Given that;

A =  πr^2

A = area of teh circular pool

r  = radius of the pool

r = √A/ π

r = √25/3.142

r = 2.82m

Diameter of the circular pool = 2 r = 2 (2.82 cm) = 5.64 m

Learn more about circle:brainly.com/question/11833983

#SPJ1

Missing parts;

An ad for an above-ground pool states that it is 25 m2. From the ad, you can tell that the pool is a circle. If you swim from one point at the edge of the pool to another, along a straight line, what is the longest distance d you can swim? Express your answer in three significant figures.

4 0
2 years ago
Give name of any two devices used to measure the amount of matter contained in a container ​
Vlad [161]

Answer:

Measuring cup and graduated cylinder

Explanation:

These tools measure the volume of liquid matter. Measuring cups are used frequently in cooking and provide measurements generally in ounces and grams. A graduated cylinder is used in laboratories and in research and allows for a greater degree of precision in measuring the volume.

8 0
2 years ago
Read 2 more answers
A Carnot air conditioner takes energy from the thermal energy of a room at 70°F and transfers it as heat to the outdoors, which
IrinaK [193]

Answer:

Explanation:

Given that,

Hot temperature

T_H = 96°F

From Fahrenheit to kelvin

°K = (°F - 32) × 5/9 + 273

°K = (96 - 32) × 5/9 + 273

K = 64 × 5/9 + 273 = 35.56 + 273

K = 308.56 K

T_H = 308.56 K

Low temperature

T_L = 70°F

Same procedure to Levine

T_L = (70-32) × 5/9 + 273

T_L = 294.11 K

A carnot refrigerator working between a hot reservoir and at temperature T_H and a cold reservoir and at temperature T_L has a coefficient of performance K given by

K = T_L / (T_H - T_L)

K = 294.11 / (308.56 - 294.11)

K = 294.11 / 14.45

K = 20.36

Then, the coefficient of performance is the energy Q_L drawn from the cold reservoir as heat divided by work done,

So, for each joules W = 1J

K = Q_L / W

Then,

Q_L = K•W

Q_L = 20.36 × 1

Q_L = 20.36 J

Q_L ≈ 20J

So, approximately 20J of heats are removed from the room

4 0
3 years ago
A runner moving at a constant speed of 10.0m/s rounds a curve of radius 5.00m. Compute the acceleration of the runner. Are these
Elena L [17]
The acceleration is given by:
a = v²/r
a = 10²/5
a = 20 m/s²

This is not a realistic value for a runner because it is very large.
4 0
3 years ago
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