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sattari [20]
2 years ago
7

Objects in space are moving at a constant velocity in a straight line.

Physics
1 answer:
tigry1 [53]2 years ago
8 0

Answer:

C

Explanation:

An object in motion will stay in motion unless acted on by a net positive or negative force.

For answer A. If the object were to be in an orbit, it would inevitably accelerate due to it being acted on by the gravitational force from the object it is orbiting. At different points in the orbit, the object will move at different speeds and continuously transfer between kinetic and potential energy.

For answer B. The object would would not stop their motion. In order for the object to lose energy, it would have to transfer it through friction or through its interaction with a gravitational field.

For answer D. No energy is "required" to maintain constant motion unless the object is willingly fighting against a resistive force like friction or a graviational well.

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Spin dynamics during chirped pulses: applications to homonuclear decoupling and broadband excitation
Likurg_2 [28]

Swept-frequency pulses have found use in a variety of fields, including spectroscopic methods where effective spin control is necessary.

To find more, we have to study about the spectroscopic methods.

<h3>What is homonuclear decoupling and broadband excitation?</h3>
  • A thorough understanding of the evolution of spin systems during these pulses is crucial for many of these applications since it not only helps to describe how procedures work but also makes new methodologies possible.
  • Broadband inversion, refocusing, and excitation employing these pulses are some of the most popular applications in NMR, ESR, MRI, and in vivo MRS in magnetic resonance spectroscopy.
  • A generic expression for chirped pulses will be presented in this study, along with numerical methods for calculating the spin dynamics during chirped pulses using solutions along with extensive examples.

Thus, we can conclude that, the swept-frequency pulses have found use in a variety of fields, including spectroscopic methods where effective spin control is necessary.

Learn more about the broadband excitation here:

brainly.com/question/19204110

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7 0
2 years ago
An actor who memorizes his lines word-for-word has demonstrated _____ learning.
Nana76 [90]
<span>Mechanical association learning used by an actor to memorize his lines</span>
8 0
3 years ago
Read 2 more answers
How many people in the world like pizza you will recive credit for this awnser β
ozzi

Answer:

3 quarters of the world likes pizza. (75%) and the remaining quarter of people (25%) dont like pizza.

3 0
3 years ago
Dani has 15.00 grams of water (c = 4.186 joules over grams times degrees Celsius) at 66°C. She adds 40.00 grams of water at 35°C
Serggg [28]

Answer:

43.45°C

Explanation:

4 0
3 years ago
Read 2 more answers
The average marathon runner can complete the 42.2-km distance of the marathon in 3 h and 30 min. If the runner's mass is 85 kg,
Semenov [28]

Answer:

the runner's average kinetic energy during the run is 476.96 J.

Explanation:

Given;

mass of the runner, m = 85 kg

distance covered by the runner, d = 42.2 km = 42,200 m

time to complete the race, t = 3 hours 30 mins = (3 x 3600s) + (30 x 60s)

                                                                               = 12,600 s

The speed of the runner, v = d/t

                                          v = 42,200 / 12,600

                                          v = 3.35 m/s

The runner's average kinetic energy during the run is calculated as;

K.E = ¹/₂mv²

K.E = ¹/₂ × 85 × (3.35)²

K.E = 476.96 J

Therefore, the runner's average kinetic energy during the run is 476.96 J.

5 0
3 years ago
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