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marta [7]
3 years ago
8

A dust particle floats in front of a silent loudspeaker as shown in the figure. The loudspeaker is turned on and plays a constan

t low frequency note.
Physics
2 answers:
dybincka [34]3 years ago
8 0

Answer:tbh idk

Explanation:

tbh idk

notka56 [123]3 years ago
4 0

Explanation:

question not clear. please upload full equation

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An object of mass m is attached to a vertically oriented spring. The object is pulled a short distance below its equilibrium pos
Airida [17]

Answer:

The motion is described by a set of explanations below

Explanation:

For the part A, the position of the moment is represented by the plot on each side in the far left. Because the mass has been pulled down, this can only assume the negative downward direction. Thus, graphs D and H will be negative on the far left at a position when the time t = 0.

For the part B, the position of the mass will be at point E.

For the part C, the mass will be at the position F. This is because the acceleration is a derivative of the velocity of the object as given by the following derivative equation:

a = \frac{d}{dt}(v)

where a = acceleration and v is the velocity.

3 0
3 years ago
If there are 50 grams of U-238 on day zero of radioactive decay, how much will there be after 4.5 billion years
snow_lady [41]
We use the formula of the half-life to calculate for the remaining U-238 after 4.5 billion years. The formula is expressed as A = A₀ (1/2)^(t/h) where A is the final amount, A₀ is the initial amount of the substance, t is the time and h is the half-life of the substance wherein for U-238 h is equal to 4.47 billion years.

<span>A = A₀ (1/2)^(t/h)
</span>A = 50 (1/2)^(4.5 / 4.47)
A = 24.88 g
4 0
3 years ago
Read 2 more answers
Cellular respiration occurs in the body 24 hours per day. During exercise, the rate of cellular respiration increases. Why does
Colt1911 [192]

Answer: I think is C

Explanation:

6 0
3 years ago
Read 2 more answers
The diagram below shows a person using a device called a jetpack. Water is forced downwards from the jetpack and produces an upw
klasskru [66]

Answer:

The condition necessary for the person to be able to remain stationary in mid-air is that there must be an upward force also referred to as THRUST

Explanation:

Thrust in Physics is defined as the force that propels, forces or pushes the mass of a certain object in a specified or particular direction.

Thrust can defined in the terms of a Jet pack can be defined as the force that is required to propel the mass of a person in an upward direction.

Based on the diagram that we have been shown the question, we can see that water is the fuel used to proper the user or person upwards hence, the jet pack used in the question is an HydroJet pack

The condition necessary for the person to be able to remain stationary in mid-air is that the propelling force called the thrust must be upwards such that it can overcome these 4 things:

a) Gravitational force

b) Mass of the jet pack user

c) Mass of the jet pack itself

d) The water which serves as fuel for the jet pack.

5 0
3 years ago
PLEASE ANSWER QUICK!! A student pushes a wagon full of bricks with a constant force across the ground. Which of
givi [52]

Answer:

A

Explanation:

If you do B, the wagon slows down due to friction

If you do C, it would slow down the wagon by half

If you do D, it would slow it down, due to there being more weight but same force.

5 0
3 years ago
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