PHYSICS HIGH SCHOOL

Starvation is the result of a mal-distribution of food, which is primarily due to drought and a lack of resources.
exportation.
civil war.
dictatorships.

Answers

Answer 1
Answer: Starvation is the result of amal-distribution of food, which is primarily due to drought and of course, alack of resources. From the choices above, of course dictatorships, which isexploiting the citizens’ natural resources for one’s own tyrannical benefit maylead to lack of resources. Civil war, will not only cause casualties but lackof resources as well. As well as too much exportation of resources leavingnothing for the country. The point is, everything will cause lack of resourcesbut lack of resources is the root cause of starvation where the demands of thepeople are greater than the supply.

Related Questions

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Ball A has mass 5.0 kg and is moving at -3.2 m/s when it strikes stationary ball B, which has mass 3.9 kg, in a head-on collision. If the collision is completely inelastic, what is the common velocity of balls A and B?
In a container of negligible heat capacity, mix 6kg of ice at -40 ° C with 3kg of steam at 120 ° C, determine the equilibrium temperature.
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An object falls freely from height H. if it takes one second to travel last half of total displacement find height H priop to the fall.​

Air is forced through the water to remove gases is called?

Answers

The process through which air is forced through water to remove gases is called aeration. Aeration is often used as a major step in water treatment plants to remove unwanted gases such as carbon dioxide, odors, and other impurities in water. The process also allows dissolved metals such as iron to oxidize.

Answer:

d. aeration

Explanation:

A car accelerates uniformly from rest to a speed of 10 meters per second in2 seconds. The acceleration of the car is
A 0.2 m/sec²
B 5 m/sec²
C10 m/sec²
D 20 m/sec2
An object starting from rest accelerates at a rate of 3.0 meters/seconds squared for
the obiect at the end of this time is

Answers

Answer:

Let's solve these two problems step by step:

1. The acceleration of the car:

You can use the formula for acceleration, which is:

\(a = {v - u}/{t})

where:

- \(a\) is acceleration,

- \(v\) is final velocity (10 m/s in this case),

- \(u\) is initial velocity (0 m/s since the car starts from rest), and

- \(t\) is time (2 seconds).

Plugging in the values:

\(a = {10 m/s - 0 m/s}/{2 s} = {10 m/s}/{2 s} = 5 m/s²)

So, the acceleration of the car is 5 m/s², which corresponds to option B.

2. The final velocity of an object starting from rest with an acceleration of 3.0 m/s² after a certain time:

You can use the following kinematic equation:

\(v = u + at)

where:

- \(v\) is the final velocity (which you want to find),

- \(u\) is the initial velocity (0 m/s since it starts from rest),

- \(a\) is the acceleration (3.0 m/s²), and

- \(t\) is the time (you haven't provided this value).

If you provide the value of time, I can calculate the final velocity for you.

Weight is measured in: grams, kilograms, metric tons, or pounds

Answers

'Gram', 'kilogram', and 'metric ton' are units of mass, not weight.

'Pound' can be either a unit of mass or of force.  Most people
use it most of the time to mean weight.

Answer:

the answer is pounds

Explanation:

A student who weighs 550 N is wearing a backpack that weighs 80 N. The student is standing still on level ground. Give your answers to the following questions in newtons. Remember, enter only the number; don't try to enter the units.a) What is the magnitude of the net force on the student?b) What is the magnitude of the contact force on the student by the backpack?
c) What is the magnitude of the contact force on the student by the ground?

Answers

Answer:

Explanation:

a) The magnitude of the net force on the student = 0 N since the student is standing still on level ground and upward reaction force = downward force.

b) the magnitude of the contact force on the student by the backpack = 80 N since the student was backing the backpack

c) the magnitude of the contact force o the student by the ground = 550 N + 80 N = 630 N reactional force on the student

What color will a star be with a surface temperature of 5000–6000 K? A. blue
B. red
C. yellow
D. white

Answers

Answer:

C. yellow

Explanation:

The stars have different color depending on their temperature, in general the more blue or violet a star is, the higher its surface temperature, and the more orange or red, the lower its surface temperature.

In the stellar classification, stars with temperatures ranging from 5000K to 6000K are G type stars which are characterized by having a yellow color.

An example of a G-type star is the sun, which has a surface temperature of around 5700K.
the answer is C. yellow and am 100% sure ...

Simon is riding a bike at 12 km/h away from his friend Keesha.He throws a ball at 5 km/h back to Keesha, who is standing still on a sidewalk. 
How fast would Keesha say the ball is traveling toward her?

Answers


I notice that even though we're working with frames of reference
here, you never said which frame the '5 km/hr' is measured in.

In fact !  You didn't even say which frame the '12 km/hr' of his
bike is measured in.

So there are several different ways this could go.  I'll do it the way
I THINK you meant it, but that doesn't guarantee anything.

-- Simon is riding his bike at 12 km/hr relative to the sidewalk,
away from Keesha.

-- He throws a ball at Keesha, at 5 km/hr relative to his own face.

-- Keesha sees the ball approaching her at (12 - 5) = 7 km/hr
relative to the ground and to her.

Answer:

B

Explanation:
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