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melomori [17]
2 years ago
6

Compare Earth’s, Venus’s, and Mars’s ability to sustain life.

Physics
2 answers:
NemiM [27]2 years ago
5 0
Earth has a water source and it’s atmosphere layers help with gravity. Mars is the most sustainable, although it’s tempiture is vastly different from earth. And Venus is the least sustainable
kherson [118]2 years ago
4 0
Earth and Mars have the most sustainable living environments
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Answer:

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Explanation:

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3 years ago
The graph shows the range of frequencies commonly heard by some animals.
Vsevolod [243]

Concept:

Frequency- It is defined as the number of oscillations occur in one second.

Its SI unit is Hertz (Hz)

Given: Produced sound vibrations is 18,500 cycles in 0.75 seconds

∵ In 0.75 second, produced sound has oscillations = 18,500 cycles

∴ In 1.0 second, produced sound has oscillations = (18,500 ÷ 0.75) Hz

The frequency of the sound will be ≈ 24,667 Hz

From the study of the given graph, only the animals (c) Cats, (b) Moths and (a) Bats can hear the produced sound because their upper audible frequency range is greater than 24,667 Hz.

3 0
3 years ago
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When given a compound, adding up all of the _______ of all of the individual atoms within one molecule of a compound will determ
butalik [34]
Atomic masses should be about right 
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3 years ago
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please help In a video game, a ball moving at 0.6 meter/second collides with a wall. After the collision, the velocity of the ba
viva [34]

Answer:

the acceleration during the collision is: - 5  \frac{m}{s^2}

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a=\frac{\Delta\,v}{\Delta\,t}

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4 0
3 years ago
2.
Alex_Xolod [135]

Answer:

The work done on the sled by friction, W = - 4593.75 J

Explanation:

Given data,

The combined mass of sled and the boy, m = 75 kg

The displacement of the boy, S = 25 m

The coefficient of the friction, u = 0.25

The frictional force acting on the boy,

                  <em>F = u η</em>

Where,

                        η - is the normal force acting on the boy (mg)

Substituting the values,

                   F = 0.25 x 75 x 9.8

                      = 183.75 N

Since the direction of the frictional force is against the direction of motion

                      F = - 183.75 N

The work done on the sled by friction,

                         W = F x S

                             = - 183.75 x 25

                             = - 4593.75 J

Hence, the work done on the sled by friction, W = - 4593.75 J

5 0
3 years ago
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