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postnew [5]
3 years ago
8

Electromagnetic waves can travel through empty space true or false

Physics
1 answer:
Mariana [72]3 years ago
6 0
False. Heat radiation from the sun cannot reach Earth, we cannot receive TV or GPS signals from satellites, and we cannot detect the light from distant stars.
Oh, wait . . .
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What type of machine is used to measure the location of an earthquake epicenter.
Ber [7]

Answer:

Seismometer

Explanation:

Seismometer measures Earth quake epicenter while seismograph measures Earth quake size

8 0
2 years ago
What is 541.2 mg in grams
PIT_PIT [208]

Answer:

0.5142 grams.

Explanation:

I think

5 0
3 years ago
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Parallax of the stars is created by
k0ka [10]
Parallax of the stars is created by :
B. Different locations of Earth in its orbit
Parallax refer to the position of an object (in this case, a star) that will look different if we view it from different positions

hope this helps
4 0
3 years ago
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What is the volume for a cabinet that measures 1.20m by 5m by 75cm
zavuch27 [327]

Answer:

45000cm2(cuarenta y cinco mil centimetros al cuadrado).

Explanation:

porque el volumes es igual a el área de la base por la altra

5 0
2 years ago
A force F acts in the forward direction on a cart of mass m. A friction force ff opposes this motion. Part A Use Newton's second
stellarik [79]

Answer:

a = F-ff/m

Explanation:

According to Newton's second law of motion which states that "the rate of change in momentum of a body is directly proportional to the applied force F and acts in the direction of the force.

Mathematically;

F = ma

Since two forces acts on the cart i.e the moving force F and the frictional force Ff , we will take the sum of the forces.

∑F = ma where

m is the mass of the cart

a is its acceleration

∑F = F+(-ff )(since frictional force is an opposing force)

F - ff = ma

Dividing both sides by mass m

a = F-ff/m

5 0
3 years ago
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