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3 years ago

I will mark you brainlist!

Physics

1 answer:

Dima020 [189]3 years ago

5 0

Answer:

Human activities commonly affect the distri-

bution, quantity, and chemical quality of water

resources. The range in human activities that affect

the interaction of ground water and surface water is

broad.Explanation:

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A bird can fly 25 km/hr. How long does it take to fly 10 km?

Svetradugi [14.3K]

Answer:

25 minutes

Explanation:

4 0

3 years ago

A boy is pulling a wagon with a force of 70.0 N directed at an angle of 30 degrees above the horizontal. What are the x and y co

bogdanovich [222]

Answer:

x component is 60.60 N and y component is 35 N ⇒ answer A

Explanation:

A boy is pulling a wagon with a force of 70.0 N directed at an angle

of 30 degrees above the horizontal then,

$F_{x}$ is the horizontal component of the force in the direction

of positive part of x-axis

$F_{y}$ is the vertical component of the force force in the direction

of positive part of y-axis

The x component of the force $F_{x}$ is the force multiplied by

cos(30)°

The y component of the force $F_{y}$ is the force multiplied by

sin(30)°

→ The x component $F_{x}$ = F cos(30)

→ The x component $F_{x}$ = 70 cos(30) = 60.60 N

→ The y component $F_{y}$ = F sin(30)

→ The y component $F_{y}$ = 70 sin(3) = 35 N

<em>x component is 60.60 N and y component is 35 N</em>

7 0

4 years ago

How has the mix of energy sources changed in the last 50 years in production and consumption?

Tcecarenko [31]

As new energy sources have been developed, the energy consumption in the history has changed significantly.

There were some new forms of energy developed, such as fossil fuels like petroleum, natural gas, and coal which provides energy for 87% of US.

6 0

4 years ago

A wire carries a current in the x-direction. a positively charged particle moves in the –x-direction near the current-carrying w

Maslowich

A magnetic field is experienced by the charged particle in the +y direction.

Discussion:

The right thumb rule states that the magnetic field lines will be perpendicular in the area to the conductive wire's left in which the electric potential is traveling.

The direction of the current may be determined by looking at the positive charge's (X direction) motion. According to Fleming's left-hand rule, the force on a positive charge will be in the +y direction because the positive charge is moving in a leftward direction, which will also be the direction of the current.

Fleming's left-hand rule:

In accordance with Fleming's Left Hand Rule, the thumb, forefinger, and middle finger of the left hand should be positioned perpendicular to one another. The thumb should point in the path of the power exerted by the conductors, the forefinger should point in the magnetic field direction, and the middle finger should point in the path of the electric current.

Learn more about the magnetic fields here:

brainly.com/question/14848188

#SPJ4

8 0

2 years ago

Charcoal appears black in color because it

steposvetlana [31]

C. This is the idea of "black body radiation". Charcoal/carbon is a "perfect black body". Absorbs all radiation. There's a whole host of stuff about this in physics, including, I think, Planck's (Nobel Prize winner) black body radiation theory.

4 0

3 years ago

Read 2 more answers