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2 years ago

Why does an object accelerate when it falls toward the earth's surface

Physics

2 answers:

Ostrovityanka [42]2 years ago

7 0

Because gravity is pulling the object closer to earth

Elina [12.6K]2 years ago

4 0

The force of the atmosphere aka gravity acting upon the object

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The law of reflection establishes a definite relationship between the angle of incidence of a light ray striking the boundary be

sladkih [1.3K]

Answer:

The law of reflection states that the angle of incidence = the angle of reflection.

Explanation:

Reflection is the phenomenon that occurs when a ray of light hits the boundary between two media and it is reflected back into the first medium.

In such a situation, we call:

- angle of incidence: it is the angle between the direction of the incident ray and the normal to the surface

- angle of reflection: it is the angle between the direction of the reflected ray and the normal to the surface

There is a precise relationship between the angle of incidence and the angle of reflection. In fact, the Law of Reflection states that:

- The incident ray, the reflected ray and the normal to the surface all lie within the same plane

- The angle of reflection is equal to the angle of incidence

4 0

2 years ago

The milky way is often considered to be an intermediately wound, barred spiral, which would be type ________ according to hubble

lora16 [44]

SBb type spiral. Its a type B because its not too tightly wound but its still too tight to be a type C

4 0

2 years ago

Electrons are made to flow in a wire when there is

Mila [183]

Answer:

The answer is C.

Explanation:

8 0

2 years ago

Read 2 more answers

Lauren throws her first pitch of the season for her school's softball team. If the ball travels 80 feet and takes 1.58 seconds t

kow [346]

Answer:

50.63 ft/s (2dp)

Explanation:

Speed = Distance/Time

80/1.58 = 50.63291139

= 50.63 ft/s (2dp)

6 0

2 years ago

A tetrahedron has an equilateral triangle base with 25.0-cm-long edges and three equilateral triangle sides. The base is paralle

djverab [1.8K]

Answer:

a. 7.046 Nm²/C

b. 2.348 Nm²/C

Explanation:

Data given:

Base of equilateral triangle = 25.0 cm = 0.25 m

Strength of electric field = 260 N/C

In order to find the electric flux we first have to find out the area of triangle.

Area of triangle = $\frac{\sqrt{3} }{4} a^{2}$

= $\frac{\sqrt{3} }{4} (0.25)^{2}$

= 0.0271 m³

Lets find electric flux,

Electric Flux = E. A

= 260×0.0271

= 7.046 Nm²/C

Now we can find the electric flux through each of the three sides.

Electric flux through three sides = $\frac{7.046}{3}$

= 2.348 N m²/C

3 0

2 years ago