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3 years ago

What is a prediction

2 answers:

7 0

A prophecy, but not always concerning with weather forecast. Pre signifies “before” and diction has to accomplish with talking. So a prediction is a judgment about the tomorrow. It's a daydream, which is based on events or consecration, but not enduringly. A prediction is usually, but not invariably, depends upon experience or information. There is no universal consensus about the specific difference among the two terms distinct authors and communities ascribe various connotations.

Over [174]3 years ago

5 0

A prediction is a guess of something happening in the future.

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A baseball is thrown from the outfield toward the catcher. When the ball reaches its highest point, which statement is true? (A)

11111nata11111 [884]

Answer:

C. Its velocity is perpendicular to its acceleration

Explanation:

Because acceleration is always perpendicular to the velocity when the velocity will change direction without change it's magnitude

5 0

3 years ago

Calculate the minimum average power output necessary for a person to run up a 12.0 m long hillside, which is inclined at 25.0° a

Viktor [21]

Answer:

Power, P = 924.15 watts

Explanation:

Given that,

Length of the ramp, l = 12 m

Mass of the person, m = 55.8 kg

Angle between the inclined plane and the horizontal, $\theta=25^{\circ}$

Time, t = 3 s

Let h is the height of the hill from the horizontal,

$h=l\ sin\theta$

$h=12\times \ sin(25)$

h = 5.07 m

Let P is the power output necessary for a person to run up long hill side as :

$P=\dfrac{E}{t}$

$P=\dfrac{mgh}{t}$

$P=\dfrac{55.8\times 9.8\times 5.07}{3}$

P = 924.15 watts

So, the minimum average power output necessary for a person to run up is 924.15 watts. Hence, this is the required solution.

3 0

3 years ago

NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

kati45 [8]

A catalyst is a substance that alters the reaction and doesn't involve in the reaction.So if the Manganese was a catalyst the mass would not have decreased,it would just continue aletring the reaction until its used up.
The Manganese is not acting as a catalyst

6 0

3 years ago

17 POINTS!!

mina [271]

Answer:

angular momentum = inertia * angular speed

similar to momentum

momentum = mass * velocity

D) is correct because a wider rim will increase the inertia of the pot

this assumes a constant angular momentum

7 0

3 years ago

Why is it important to have a control group in a experiment?

zysi [14]

Answer:it allows you to eliminate and isolate variables.

Explanation:

4 0

3 years ago

Read 2 more answers