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lawyer [7]
3 years ago
7

A car rounds a flat curve and experiences a centripetal force directed toward the center of the curve and perpendicular to the d

irection of its motion. If the driver of the car doesn't hit the brake OR the gas, how will the curve affect the motion of the car?
Physics
2 answers:
lara31 [8.8K]3 years ago
8 0

Answer:

The answer is The car's speed will remain constant and its direction will change.

Explanation:

The answer is The car's speed will remain constant and its direction will change. The applied force is perpendicular to the direction of motion, so the speed of the car won't change. Going into a curve doesn't necessarily change the speed of the object.

Usimov [2.4K]3 years ago
3 0
<h2>Answer:</h2>

If a car is rounding a flat curve, it experiences a centripetal force that pulls it towards the center of the circle it is rotating in.

Now,

The centripetal force can be balanced by the centrifugal force caused due to the acceleration of the body at the high speed which counters the centripetal force and in turn <u>prevents the car from slipping down the curve.</u>

So,

If the car doesn't hit the gas then the <em><u>car will fall down from the curve</u></em> as the Centripetal force will exceed the Centrifugal force of the car.

However, if the car doesn't hit the brake then the <em><u>car will maintain it's position on the flat curve</u></em> track as the centrifugal force will counter the effect of centripetal force directed towards the center.

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Em um fio condutor uma carga de 6.000 C atravessa uma secção transversal em 5 minutos. Determinando-se a corrente no fio, encont
photoshop1234 [79]

Answer:

I = 20 A

Explanation:

The question says that, "A load of 6,000 C is conducted through a cross section in 5 minutes. Determining-if a current is not correct, we will find the value of?"

We have,

Charge, q = 6,000 C

Time, t = 5 minutes = 300 s

We need to find the current. We know that, the charge flowing per unit time is equal to current. So,

I=\dfrac{q}{t}\\\\I=\dfrac{6000}{300}\\\\I=20\ A

So, the current flowing through the circuit is 20 A.

7 0
3 years ago
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as officials boat pulls up ne
KonstantinChe [14]

Answer:

They are 7.4m apart.

Explanation:

7 0
3 years ago
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Which actions are evidence that a chemical reaction has occurred? Select five options. a change in color the formation of a prec
vladimir1956 [14]

Answer:

A change in color

The formation of a precipitate

A clear liquid becoming cloudy

The formation of bubbles

The formation of smoke

Explanation:

A chemical reaction can be defined as the conversion of reactant into product. The process in which one or more than one substance is converted into one or many different substances.

There are some indications which can provide the evidence that chemical reaction has occurred.

A change in color of the substance, formation or smoke or bubbles. The formation of the precipitate and in case the substance becomes cloudy.

All these evidences show that chemical reaction has occurred.

8 0
3 years ago
Solar energy can be changed into thermal energy without any work being done. true or false
Black_prince [1.1K]

Answer:

True

Explanation:

3 0
3 years ago
A simple generator has a square armature 9.0 cm on a side. The armature has 95 turns of 0.59-mm-diameter copper wire and rotates
Marrrta [24]

Answer:

f = 3.102 Hz

Explanation:

In this case you have that the required voltage is the maximum induced emf produced by the rotating generator.

In order to calculate the frequency of rotation of the generator that allows one to obtain 12.0V you use the following formula:

emf_{max}=NBA\omega    (1)

N: turns of the armature = 95

B: magnitude of the magnetic field = 0.800T

A: area of the square armature = (9.0cm)^2 = (0.09m)^2 = 8.1*10^-3 m^2

emf_max = 12.0V

w: angular frequency

you solve the equation (1) for w:

\omega=\frac{emf_{max}}{NBA}=\frac{12.0V}{(95)(0.800T)(8.1*10^{-3}m^2)}\\\\\omega=19.49\frac{rad}{s}

Then, the frequency is:

f=\frac{\omega}{2\pi}=\frac{19.49rad/s}{2\pi}=3.102Hz

7 0
3 years ago
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