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Finger [1]
3 years ago
15

1) Choose the answer choice that BEST completes the following sentence.

Physics
2 answers:
Lena [83]3 years ago
5 0

1. one-Half

2. Apogee

3. Any object that revolves around another object

4. Venus's gravitation pull

dimulka [17.4K]3 years ago
3 0

Answer:

1) (d)

2 (a)

3 (d)

4 (d)

Explanation:

1) Like earth, sun also illuminates half of the moon 's surface at a time.

2) The point on the earth orbit which is closest to the earth is called perigee.

3) Any object that revolves around another object in space is called satellite.

4) Venus has very little effect on the formation of tide on the earth as it is far off from it.

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The radius of curvature is smaller at the top than on the sides so that the downward centripetal acceleration at the top will be
kap26 [50]

Answer:

v = 14.86 m/s

Explanation:

As we know that the force equation at the top is given as

\frac{mv^2}{R} = ma

now we know that

a_c = 1.5 g

so we have

\frac{v^2}{R} = 1.5 g

v = \sqrt{1.5 Rg}

so we will have

v = \sqrt{1.5(15)(9.81)}

v = 14.86 m/s

3 0
3 years ago
Why is the electromagnetic spectrum called a spectrum?
Doss [256]

Answer & Explanation:

Scientists call them all electromagnetic radiation. The waves of energy are called electromagnetic (EM) because they have oscillating electric and magnetic fields. Scientists classify them by their frequency or wavelength, going from high to low frequency (short to long wavelength).

6 0
4 years ago
How do scientists decide how they gather information
kogti [31]
The scientific method. When conducting research, scientists use the scientific method to collect measurable, empirical evidence in an experiment related to a hypothesis (often in the form of an if/then statement), the results aiming to support or contradict a theory.
3 0
3 years ago
What damage a tornado can cause
Ksivusya [100]
Alrighty, so, houses can be destroyed, people can be killed, animals can be killed, habitats can be destroyed, and trees can be uprooted. Tornadoes can create massive damage.

Hope this helps! (:
5 0
3 years ago
005 10.0 points
velikii [3]

Answer:

16.6 N

Explanation:

m = 0.52 kg, v₀ = 0, v = 8.6 m/s, t = 0.27 s

a = (v - v₀)/t

F = ma = m(v - v₀)/t = 0.52 (8.6 - 0)/0.27 = 16.6 N

8 0
2 years ago
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