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levacccp [35]
3 years ago
8

Julian is late to class and sees a list on the board: -are explanations of observations and hypotheses -are based on many experi

ments -have been revised over time -can be used to predict what may be expected in the future what is julian’s class discussing?
Physics
2 answers:
Verizon [17]3 years ago
6 0

The four ways to incorporate evidence into the research paper are:

<span>1.    </span>If the research you are investigating has been with other research paper before.

<span>2.    </span>There is an experimental proof that the evidence is true.

<span>3.    </span>The research published belongs to a reliable source.

<span>4.    </span><span>There are citations of the evidence that you are investigating</span>

Roman55 [17]3 years ago
6 0

For edgenuty peeps its B. theories

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A projectile is launched at an angle of 60° above the horizontal. compared to the vertical component of the initial velocity of
jeka94
Equal to zero. Because at maximum height before it comes down, it experiences a momentary stop
8 0
3 years ago
A ticker-tape is moved through a ticker-timer for 5 seconds . if the timer is operating at 25 Hz. i.How many dots would have bee
svetlana [45]

Answer:

Explanation:

25 cycles/s (5 s) = 125 dots

Tape does Repetitious motion.

It might possibly be harmonic motion, but we do not have enough information to say for certain.

8 0
2 years ago
Q. At what point in a waterfall do the drops of water contain the most kinetic energy ?
antoniya [11.8K]

Answer:

2.When they reach the bottom of the fall

Explanation:

The potential energy of the waterfall is maximum at the maximum height and decreases with decrease in height. Based on the law of conservation of mechanical energy, as the potential energy of the water fall is decreasing with  decrease in height of the fall, its kinetic energy will be increasing and the kinetic energy will be maximum at zero height (bottom of the fall).

Thus, the correct option is "2" When they reach the bottom of the fall

7 0
2 years ago
A current of 9 A flows through an electric device with a resistance of 43 Ω. What must be the applied voltage in this particular
lubasha [3.4K]

Voltage, V = IR

Where I is current in Ampere, R is Resistance in Ohms.

V = 9A * 43 Ω

V = 387 V

8 0
3 years ago
A 2.6 kg mass attached to a light string rotates on a horizontal,
Ainat [17]

The maximum speed the mass can have before it breaks is 2.27 m/s.

The given parameters:

  • <em>maximum mass the string can support before breaking, m = 17.9 kg</em>
  • <em>radius of the circle, r = 0.525 m</em>

The maximum speed the mass can have before it breaks is calculated as follows;

T = ma_c\\\\Mg = \frac{Mv^2}{r} \\\\v^2 = rg\\\\v = \sqrt{rg} \\\\v_{max} = \sqrt{0.525 \times 9.8} \\\\v_{max} = 2.27 \ m/s

Thus, the maximum speed the mass can have before it breaks is 2.27 m/s.

Learn more about maximum speed of horizontal circle here:brainly.com/question/21971127

8 0
2 years ago
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