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erica [24]
3 years ago
12

What is the formula to determine the mass of the Earth?​

Physics
1 answer:
pychu [463]3 years ago
5 0

Answer:

Here ya gooooooooooooooo

Explanation:

sefamchsgaevfdkahsgevfjahgswevfjahsgefvjashgvf

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All parts of the electromagnetic spectrum travel at a speed of 3 × 108 m/s when traveling through no medium. A "vacuum” means th
il63 [147K]

Answer:

the answer is D.

Explanation:

8 0
3 years ago
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A 15.0 Kg object is moved from a height of 7.00 m above thefloor to a height of 13.0 m above the floor. What is the change ingra
Pie

To solve this problem we will apply the concepts related to potential gravitational energy. This is defined as the product between mass, acceleration and change in height and can be expressed as,

\Delta PE = mg \Delta h

Here,

m = Mass

g = Gravitational acceleration

\Delta h = Height

Replacing with our values we have,

\Delta PE = (15kg)(9.81m/s^2)(13m-7m)

\Delta PE = 882.9J \approx 883J

Therefore the change in gravitational potential energy is 883J.

4 0
3 years ago
A man walks 7 km East in 1 hours and then 2.5 km West in 0.5 hour.
Hitman42 [59]

Explanation:

equation is speed=distance/time

so 9.5km/1.5 equals 6.3km/h

8 0
4 years ago
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An oscillating dipole antenna 1.73 m long with a maximum 36.0 mV potential creates a 500 Hz electromagnetic wave. (a) What is th
sergejj [24]

Answer:

E_0=0.021v/m

Explanation:

From the question we are told that:

Length l=1.73m

Voltage V=36.0mV

Frequency F=500Hz

Generally the equation for maximum Electric Field  is mathematically given by

 E_0=\frac{\triangle}{r}

 E_0=\frac{36*10^{-3}}{1.73}

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5 0
3 years ago
If the velocity of sound is 330m/s ,what is the wavelength of the wave of 100Hz ​
Vanyuwa [196]

Answer:

3.3 lambda

Explanation:

Velocity = frequency * wave length

Wave length = velocity / frequency

Wave length = 330/100

Wave length = 3.3 lambda

8 0
3 years ago
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