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2 years ago

Convert 3.2 kilometers to feet?

Physics

2 answers:

Tanzania [10]2 years ago

7 0

Answer:

10498.7 feet

Explanation:

Lelechka [254]2 years ago

7 0

Answer: 10498.6877 Feet

Answer when rounded: 10498.688

Explanation:

1 Kilometer = 3280.84 Feet

3.2 • 3280.84 = 10498.6877

Hope this helps!

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A small economy car (low mass) and a limousine (high mass) are pushed from rest across a parking lot, equal distances with equal

Studentka2010 [4]

Answer:

The car that receives more kinetic energy is the small economy car.

Explanation:

K.E = 0.5*mv²

Where;

K.E is the kinetic Energy

M is the mass of an object

V is the velocity of the moving object

But F = m(v/t), from Newton's second law of motion

If equal forces were applied to the two cars, then the velocity of each car will be calculated as follows.

v = (Ft/m)

v² = (Ft/m)²

Substitute in the value of v² into Kinetic energy equation

K.E = 0.5*mv²

K.E = 0.5*m(Ft/m)² = (0.5*F²t²)/m

Also assuming equal distance, equal force and assuming equal time for both cars.

The above equation will reduce to, K.E = k/m

Where k = 0.5*F²t², which is equal in both cars.

Thus, Kinetic energy will depend only on the mass of each car.

From the above expression, Kinetic Energy received by each car is inversely proportional to the mass of the car.

A small economy car (low mass) will receive more kinetic energy while a limousine (high mass) car will receive less kinetic energy.

Therefore, the car that receives more kinetic energy is the small economy car.

6 0

3 years ago

Kaya collects the data shown in the table.

Colt1911 [192]

Answer;

= 20 ohms

Explanation;

According to the Ohm's law, the current through a conductor is directly proportional to the potential difference if other environment conditions are kept constant.

Therefore; I α V

Hence; V = IR, where R is the constant, called the resistance

Therefore; R = V/I

R = 6.0 /0.3

 = 20 Ohms

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3 years ago

Read 2 more answers

How does mass and force affect the motion of an object?

djyliett [7]

The greater the mass of an object, the more inertia it has, so the object resists changes to its motion better.

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3 years ago

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A parallel-plate capacitor is formed from two 9.1 cm-diameter electrodes spaced 1.3 mm apart. The electric field strength inside

vitfil [10]

Answer:

2.87nC

Explanation:

See attached file

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3 years ago

The block in the diagram below is AT REST. However, the tension in the cable is not the only thing holding the block back. Stati

Vedmedyk [2.9K]

Answer:

The tension in the rope is 229.37 N.

Explanation:

Given:

Mass of the block is, $m=33.2\ kg$

Coefficient of static friction is, $\mu = 0.214$

Angle of inclination is, $\theta = 31.5$ °

Draw a free body diagram of the block.

From the free body diagram, consider the forces in the vertical direction perpendicular to inclined plane.

Forces acting are $mg\cos \theta$ and normal $N$ . Now, there is no motion in the direction perpendicular to the inclined plane. So,

$N=mg\cos \theta\\N=(33.2)(9.8)\cos (31.5)\\N=277.415\ N$

Consider the direction along the inclined plane.

The forces acting along the plane are $mg\sin \theta$ and frictional force, $f$ , down the plane and tension, $T$ , up the plane.

Now, as the block is at rest, so net force along the plane is also zero.

$T=mg\sin \theta+f\\T=mg\sin \theta +\mu N\\T= (33.2)(9.8)(\sin (31.5)+(0.214\times 277.415)\\T= 170+59.37\\T=229.37\ N$

Therefore, the tension in the rope is 229.37 N.

3 0

3 years ago

Convert 3.2 kilometers to feet? ​

Convert 3.2 kilometers to feet?