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Mekhanik [1.2K]
3 years ago
15

(will give brainliest to the correct person!)

Physics
2 answers:
aivan3 [116]3 years ago
7 0

Answer:

It would be twice the force you have to multiply 2 of the same nunbers and u get ur answer

Explanation:

Neporo4naja [7]3 years ago
3 0

Answer:

Explanation:

When a force hits something, an equal amount of force is exerted back on it.

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A car cruises at a constant rate of 50 miles per hour. How much time will it take to go 600 miles?
Len [333]
Speed is constant. 50 miles = 1 hour. 600/50 = 12. 1hr(12) = 12 hours.
7 0
3 years ago
Indicate whether the statement is true or false. The point located at the geometric center of an object is called the object's c
zmey [24]
This statement is true. The point located at the geometric center of an object is indeed called the object's center of gravity. Center of gravity is the average of the weight of a resultant of the parallel forces, including all the particles that is passing through its body.
4 0
3 years ago
A flat coil of wire consisting of 20 turns, each with an area of 50 cm2, is positioned perpendicularly to a uniform magnetic fie
Nutka1998 [239]

Answer:

i = 0.5 A

Explanation:

As we know that magnetic flux is given as

\phi = NBA

here we know that

N = number of turns

B = magnetic field

A = area of the loop

now we know that rate of change in magnetic flux will induce EMF in the coil

so we have

EMF = NA\frac{dB}{dt}

now plug in all values to find induced EMF

EMF = (20)(50 \times 10^{-4})(\frac{6 - 2}{2})

EMF = 0.2 volts

now by ohm's law we have

current = \frac{EMF}{Resistance}

i = \frac{0.2}{0.40} = 0.5 A

5 0
3 years ago
Dr. Eriksson is working on a material called selenium. She is adding a certain number and type of atoms to the selenium, which w
Katarina [22]

Answer:

Selenium is a semiconductor

Explanation:

Selenium is a semiconductor.

Elements in the column IV and VI of the periodic table are referred to as Semiconductor.

Selenium lies in the column VI along with Tellurium

Some other elements of the column IV are silicon, germanium, and tin

4 0
3 years ago
Read 2 more answers
A car of mass 1470 kg is on an icy driveway
Schach [20]

Answer:

  a = 7.5 m / s²

Explanation:

For this exercise let's use Newton's second law, let's create a coordinate system with the x axis parallel to the plane and the y axis perpendicular to the plane

Y axis

       N - W cos θ = 0

       N = mg cos θ

X axis

       W sin θ = m a

 

       mg sin θ = m a

        a = g sin θ

let's calculate

        a = 9.8 cos 40

        a = 7.5 m / s²

8 0
3 years ago
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