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MAXImum [283]
3 years ago
10

Which statement is true of convex mirrors?

Physics
1 answer:
Leno4ka [110]3 years ago
7 0
I think it is d if not then im sorry
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Scientific models have two basic types. Please select the best answer from the choices provided T F
zubka84 [21]

Answer:

Scientific models have two basic types. FALSE.

Hoped I helped

3 0
3 years ago
The terrestrial planets are made almost entirely of elements heavier than hydrogen and helium. According to modern science, wher
Vera_Pavlovna [14]

Answer:

They were produced by stars that lived and died before our solar system was born.

Explanation:

According to what it's understood today, all elements heavier than hydrogen (including helium and excluding some that were created in laboratories) are created through nuclear fusion in the core of stars.

They start fusing hydrogen into helium, then as the star grows older helium is fused into beryllium and so on for all the periodic table.

So as far as science understands it today it's a literal truth that we are made of stars. (as almost everything else)

8 0
3 years ago
A 1.5 kg orange falls from a tree and hits the ground in 0.75s. What is the speed of the orange just before it hits the ground?
Olenka [21]

The final speed of the orange is 7.35 m/s

Explanation:

The motion of the orange is a free fall motion, since there is only the force of gravity acting on it. Therefore, it is a uniformly accelerated motion with constant acceleration g=9.8 m/s^2 towards the ground. So we can use the following suvat equation:

v=u+at

where

v is the  final velocity

u is the initial velocity

a is the acceleration

t is the time elapsed

For the orange in this problem, we have

u = 0 (it is dropped from rest)

a=g=9.8 m/s^2 is the acceleration

Substituting t = 0.75 s, we find the final velocity (and speed) of the orange:

v=0+(9.8)(0.75)=7.35 m/s

Learn more about free fall:

brainly.com/question/1748290

brainly.com/question/11042118

brainly.com/question/2455974

brainly.com/question/2607086

#LearnwithBrainly

8 0
3 years ago
What is mechanical waves
LuckyWell [14K]

Mechanical waves are those waves that  require a material medium for propagation.

<h3>What are mechanical waves?</h3>

Generally, we define a wave as a disturbance along a medium which transfers energy. It then follows that waves move energy from one point to another.

Waves can be classified as;

  • Mechanical waves
  • Electromagnetic waves

Mechanical waves are those waves that  require a material medium for propagation such as sound, and waves on a strings.

Learn more about mechanical waves: brainly.com/question/9242091

6 0
3 years ago
Read 2 more answers
A student pushes a box with a total mass of 50 kg. What is the net force on the box if it accelerates 1.5 m/s
Harrizon [31]
We now that follow newton rules f=ma so net force equal to mass*acceleration=>f=50*1.5=75 N
3 0
3 years ago
Read 2 more answers
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