The weight of an object will not change when moving from the Earth to the Moon. a. True
b. False

Answers

Answer 1
Answer: False! Because it turns from weight to mass
Answer 2
Answer: False - Weight will be reduced as you move further away from the Earth's gravitional pull, however mass will stay constant.

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A heater with an effective resistance of 4.8 ohms is connected to 240.0 volts if it operated approximately 25% of the time and electricity costs $0.10 per kWh what will be the electrical bill for30 days
Which of the following does a weather station model demonstrate?A) altitude B) air mass C) air density D) temperature
The statement "force equals mass times acceleration (F = ma)" is Newton's second law of motion. Why is this a law rather than a theory?Options: a) It has been extensively tested and confirmed through experimentation. b) It is a hypothesis that is yet to be proven. c) It is a general explanation for a wide range of phenomena. d) It is based on mathematical equations but lacks empirical evidence.
The two most commomly styles used to format academic papers are ?
What type of faulting occurs at a continental-continental convergent boundary? Explain your answer.

you kick a soccer ball straight up into the air with a speed of 21.2 m/s. How long does it take he soccer ball to reach its highest point?.

Answers

about 20-30 secs to reach its full point

A coil of insulated wire is wound many times around an iron bar. The wire is connected to a battery and a contact switch. The contact switch is alternately flipped closed and left closed, so the wire carries a current through it, and then flipped open and left open, so that the current stops. Describe what magnetic fields are created, if those magnetic fields in turn induce an emf, and whether the induced emf is in the direction of the original current or opposite to it. Justify your answer using Lenz's law and the conditions which can cause a magnetic field to induce an emf. You may draw a diagram if it helps you to visualize the apparatus.

Answers

Answer:

As per faraday's law the rate of change in magnetic flux linked with a coil will induce EMF in the coil. It is given by

E = - (d\phi)/(dt)

now here as we are closing the switch and then open it alternatively so it will change the value of current in the coil.

This change in current will change the magnetic flux in the coil due to which it will induce EMF in it.

Now by Lenz the the direction of induce current in the coil will always opposite to the causes due to which it is induced.

As we know that when switch is connected to flow the current the direction of induced current is in opposite to the current so that it will oppose the increasing value of current while when we open the switch the induced current is in direction of the current so that it will increase the value of decreasing current in the loop.

The induced emf is in the direction opposite to the direction of current.

What is induced emf?

Emf is the production of a potential difference in a coil as a result of changes in the magnetic flux passing through it.

When the flux coupling with a conductor or coil changes, electromotive Force, or EMF, is said to be induced.

The rate of change in magnetic flux linked to a coil will induce EMF in the coil, according to Faraday's law.

Now, when we alternately close and open the switch, the current in the coil will change.The magnetic flux in the coil will vary as a result of the change in current, resulting in EMF in the coil.

Now, according to Lenz, the direction of induce current in the coil will always be the polar opposite of the causes.

Hence the induced emf is in the direction opposite to the direction of current.

To learn more about the induced emf, refer to the link;

brainly.com/question/16764848

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Which describes a grizzly bear’s habitat? all the biotic factors in the ecosystem all the abiotic factors in the ecosystem the role of the bear in the ecosystem the physical area where the bear lives

Answers

The best description of a grizzly bear’s habitat is:

  • D. the physical area where the bear lives

A habitat is the natural surrounding or place where an organism lives, grows and competes with other organisms for resources. It is a physical area.

There are three major types of habitat which includes:

  • Freshwater habitat: This refers to the area of water where animals live. Examples of animals that live in a freshwater habitat includes: sea turtle, fishes, etc. Examples of freshwater habitat include:
  1. Rivers
  2. Lakes
  3. Pond, etc
  • Marine water habitat: This is where a group of organisms live. Examples include:
  1. Oceans
  2. Seas, etc.
  • Coastal habitat: This is an intersection between the land and sea habitats.

A grizzly bear is a subspecies of brown bear and is resident in the northern plains of America and their habitat is a physical location where they live.

Therefore, the correct answer is option D

Read more here:

brainly.com/question/19482426

Answer:

I found this question elsewhere on brainly and the answer was verified. Here it is!

Explanation:

Grizzly bear habitats is the habitat or the physical space where the bear lives. Grizzly bears can be found in many different habitats from dense forests to subalpine meadows, arctic tundra and open plains. We can also conclude that all of the bears live in grizzly bear's habitat in order to survive.

Density is found by dividing ____.a. mass by volume
c. mass by area
b. volume by mass
d. area by mass

Answers

Mass represents the density of an object multiplied with the volume it occupies. As a result, an object's density is found by dividing its mass by its volume. So the answer is a.

Answer: is

mass by volume

Explanation:

same quiz

A 30cm diameter wheel rotates with a constant angular acceleration of 2.00 rad/s2. It starts from rest at t = 0, and a chalk line drawn to a point, P, on the rim of the wheel makes an angle of 37.1° with the horizontal at this time. At t = 2.00 s, find (a) the angular speed of the wheel (b) the linear velocity and tangential acceleration of P

Answers

Answer:

a) 4.00 rad/s

b) 0.6 m/s, 0.3 m/s²

Explanation:

Given:

ω₀ = 0 rad/s

α = 2.00 rad/s²

t = 2.00 s

Find:

a) ω

b) v, a

a) ω = αt + ω₀

ω = (2.00 rad/s²) (2.00 s) + (0 rad/s)

ω = 4.00 rad/s

b) v = ωr

v = (4.00 rad/s) (0.15 m)

v = 0.6 m/s

a = αr

a = (2.00 rad/s²) (0.15 m)

a = 0.3 m/s²

What are the divisions within a shell called

Answers

The divisions within an atom's shell are called subshells. This means that each shell consists of several subshells that are made up of orbitals. Each orbital consists of 1 or 2 electrons. The outermost shell of an atom is what we call the valence electrons, and they are what participate in chemical bonding.