1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Andreyy89
3 years ago
7

Which of the following explains why parallax is used to measure stars?

Physics
2 answers:
enyata [817]3 years ago
7 0

D, it provides greater accuracy for measuring stars far from the earth.

ale4655 [162]3 years ago
7 0

The answer is "It provides greater accuracy for measuring stars <u>near</u> the earth."

You might be interested in
Two resistors with values of 6.0 ohms and 12 ohms are connected in parallel. This combination is connected in series with a 2.0
ivanzaharov [21]

Answer:

4A

Explanation:

According to ohm's law;

E = IRt where;

E is the source voltage = 24volts

I is the total current flowing in the circuit = ?

Rt is the total effective resistance in the circuit.

To find Rt, we will resolve the resistors in parallel first.

Since 6ohms and 12ohms resistors are in parallel, their effective resistance will give;

1/R = 1/6+1/12

1/R= 2+1/12

1/R = 3/12

3R = 12

R = 4ohms.

This resistor will now be in series with the 2.0ohms resistor to finally have;

Rt = 4+2

Rt = 6ohms

From the ohms law formula;

I = E/Rt

I = 24/6

I = 4Amperes

The total current in the circuit is 4A

This same currents will flow in the 2ohms resistor since same current flows in a series connected resistors.

3 0
3 years ago
Read 2 more answers
Why might some rivers form canyons and other form valleys??
kap26 [50]

Valleys are one of the most common landforms on the Earth and they are formed through erosion or the gradual wearing down of the land by wind and water. In river valleys ​for example, the river acts as an erosional agent by grinding down the rock or soil and creating a valley

7 0
3 years ago
Which of the following is an example of a material that allows electrons to easily move through it?
AVprozaik [17]
Conductors allow<span> for </span>charge<span> transfer </span>through<span> the free movement of </span><span>electrons

</span>
6 0
4 years ago
A ball has a mass of 0.1 kg and an initial velocity of 20 m/s. The ball is given an acceleration of 30 m/s2 for 5 s. What is the
djverab [1.8K]

Answer:

acceleration = v-u /t

30- 20/5

= 10/5 = 2m/sec²

Force = mass * acceleration

Force = 0.1 * 2

Force = 0.2 Newton

6 0
3 years ago
Read 2 more answers
Juanita made an electromagnet by placing an iron bar inside a coil of wire and then running current through the wire. After awhi
swat32

Answer: Correct Ans is B

Explanation:

5 0
3 years ago
Other questions:
  • Which of the following accurately describes the way in which a muscle moves?
    7·1 answer
  • The ___ model of the atom states that an electron's exact location within an atom can not be determined, but its probable locati
    11·1 answer
  • The video shows a collapsing cloud of interstellar gas, which is held together by the mutual gravitational attraction of all the
    11·1 answer
  • The amount of water vapor in the air is known as the _______.
    11·2 answers
  • When you do work on an object some of your energy is ____ to that object
    9·1 answer
  • Elizabeth noticed an increase of Mountain Bluebird sightings in her neighborhood. She wanted to know if there was an increase in
    7·1 answer
  • When you catch a baseball with a glove (instead of your hand), the glove helps by
    15·1 answer
  • The diagram shows a sealed container, which
    15·2 answers
  • What is the kinetic energy of a 14kg object traveling at 10m/s
    15·1 answer
  • A car accelerates from rest at 4.7m/s^2. How much time does it need to attain a speed of 6m/s?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!