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Tasya [4]
4 years ago
5

A student wanted to determine how tall corn would grow if different types of fertilizer were used.What

Physics
1 answer:
Anuta_ua [19.1K]4 years ago
8 0
I am pretty sure that B. How tall the corn grows is the dependent

The student is not a variable in how tall the corn grows, and the question does not indicate any different types of corn in this.

So the independent variable would be the type of fertilizer and the dependent variable would be the height of the corn.

I hope this is right and helps, have a good day!
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In which position does the ball have the least potential energy but the most kinetic energy
Firdavs [7]

Answer:

position 2

Explanation:

the gravity from the ball to the floor had the most movement involved.

5 0
4 years ago
A student is about to sled down a hill. He stands on a hill which is 30 meters tall and he weighs 40kg what is his GPE
PolarNik [594]

Answer:

11760J

Explanation:

Given parameters:

Height of hill  = 30m

Weight  = 40kg

Unknown:

Gravitational potential energy  = ?

Solution:

To find the gravitational potential energy, it is the energy due to the position of a body;

     G.PE  = mgh

m is the mass

g is the acceleration due to gravity

h is the height

 Now insert the parameters and solve;

      G.PE = 40 x 9.8 x 30  = 11760J

3 0
3 years ago
A rotating space station is said to create "artificial gravity" - a loosely-defined term used for an acceleration that would be
FrozenT [24]

Answer:

\omega=0.31\frac{rad}{s}

Explanation:

The artificial gravity generated by the rotating space station is the same centripetal acceleration due to the rotational motion of the station, which is given by:

a_c=\frac{v^2}{r}(1)

Here, r is the radius and v is the tangential speed, which is given by:

v=\omega r(2)

Here \omega is the angular velocity, we replace (2) in (1):

a_c=\frac{(\omega r)^2}{r}\\\\a_c=\omega^2r

Recall that r=\frac{d}{2}=\frac{200m}{2}=100m.

Solving for \omega:

\omega=\sqrt{\frac{a_c}{r}}\\\omega=\sqrt{\frac{9.8\frac{m}{s^2}}{100m}}\\\omega=0.31\frac{rad}{s}

3 0
4 years ago
What rock type does the principle of superposition apply to and how is the principle of superposition used to study the history
Effectus [21]
New rock get on top of old rock to form new layers of rock
3 0
4 years ago
Name five uses of electromagnetic radiation ​
klio [65]

Answer:

Behaviour and uses of electromagnetic waves

Radio waves. Radio waves are used for communication such as television and radio. ...

Microwaves. Microwaves are used for cooking food and for satellite communications. ...

Infrared. ...

Visible light. ...

Ultraviolet radiation.

8 0
3 years ago
Read 2 more answers
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