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Leya [2.2K]
3 years ago
13

A 10,000-watt radio station transmits at 535 kHz.

Physics
2 answers:
salantis [7]3 years ago
8 0

If you are given a 10,000-watt radio station transmits at 535 kHz, then you just divide one by 535,000 Hz which is equal to 1.87 x 10^-6 seconds. Multiply this value by 10,000W and you get 0.019 Joules.

schepotkina [342]3 years ago
6 0

Answer:

Energy is 10,000 Joules.

Explanation:

It is given that, a 10,000 watt radio station transmits at 535 kHz. We have to write the number of joules transmitted per second.

We know that number of joules transmitted per second is called the power. Its SI unit is watts. Mathematically, the power of radio station is given by :

P=\dfrac{W}{t}

Where

W is the work done by radio station

t is the time taken.

According to relation :

1\ watt==\dfrac{1\ Joule}{1\ seconds}

So, 10,000\ watt==\dfrac{10,000\ Joule}{1\ seconds}

Hence, energy per second is 10,000 Joules.

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Three masses are located in the x- y plane as follows: a mass of 6 kg is at (0 m, 0 m), a mass of 4 kg is at (3 m, 0 m), and a m
enot [183]

Answer:

The center of mass of three mass in the x-y plane is located at (1,0.5).                  

Explanation:

It is given that, a mass of 6 kg is at (0,0), a mass of 4 kg is at (3,0), and a mass of 2 kg is at (0,3). We need to find the center of mass of the system. Center of mass in x direction  is :

C_x=\dfrac{6\times 0+4\times 3+2\times 0}{6+4+2}\\\\C_x=1

The center of mass in y direction is :

C_y=\dfrac{6\times 0+4\times 0+2\times 3}{6+4+2}\\\\C_y=0.5

So, the center of mass of three mass in the x-y plane is located at (1,0.5).

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3 years ago
A toy rocket is shot straight up into the air with Anitial velocity of 45 m/s
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A 37 cm long solenoid, 1.8 cm in diameter, is to produce a 0.50 T magnetic field at its center. If the maximum current is 4.4 A,
taurus [48]

Answer:

33,458.71 turns

Explanation:

Given: L = 37 cm = 0.37 m, B= 0.50 T, I = 4.4 A, n= number of turn per meter

μ₀ = Permeability of free space = 4 π × 10 ⁻⁷

Solution:

We have B = μ₀ × n × I

⇒ n = B/ (μ₀ × I)

n = 0.50 T / ( 4 π × 10 ⁻⁷ × 4.4 A)

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a.) K 2=K 1 +GmM( r 21− r 11)=2.2×10 7J

b.) ​K 2 +GmM( r 11− r 21)=6.9×10 7 J

Applying Law of  Energy conservation :

K 1+U 1

=K 2+U 2

⇒K 1− r 1GmM

=K 2− r 2 GmM

where M=5.0×10 23kg,r1

=> R=3.0×10 6m and m=10kg

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=5.0×10 7J and r 2

=4.0×10 6 m, then the above equation leads to

K 2=K 1 +GmM (r 21− r 11)=2.2×10 7J

(b) In this case, we require K 2

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Learn more about Kinetic energy on:

brainly.com/question/12337396

#SPJ4

7 0
2 years ago
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