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3 years ago

If a species can adapt to a changing environment, or ____, its descendants will survive.

1 answer:

4 0

Evolve.

This is because adapt and evolve correspond to each other.

If a species evolves, it is to "adapt" to a certain ecosystem or environment.

Hope this helped!

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If anyone wants 100 points then come help. I will mark brainlliest. No links just answer

pantera1 [17]

Heat energy required to increase the temperature of water in bathtub is 12,546,000 Joules.

<h3>What is thermal energy?</h3>

The energy contained by an object by virtue of heating is known as thermal energy.

Given is the mass of water m = 150 kg, Temperature change ΔT = (40 -20)= 20 °C

The specific heat of water Cp =4182 J/kg.°C

Heat transfer Q =m x Cp x ΔT

Q = 150 x 4182 x 20

Q = 12,546,000 J

Thus, Heat energy required to increase the temperature of water in bathtub is 12,546,000 Joules.

Learn more about thermal energy.

brainly.com/question/3022807

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6 0

2 years ago

When the tube is filled with mercury vapor, as in this case, a sharp drop in the collected current is observed when the accelera

Nata [24]

Answer:

The energy absorbed by the atomic electrons in the mercury atom is $7.84 \times 10^{-19}$ J

Explanation:

Given:

Potential $V = 4.9$ V

According to the conservation law,

Loss in kinetic energy = Gain in potential energy

Here, energy absorbed by the atomic electrons is given by,

$E = eV$

Where $e = 1.6 \times 10^{-19} C$ ( charge of electron )

$E = 1.6 \times 10^{-19 } \times 4.9$

$E = 7.84 \times 10^{-19}$ J

Therefore, the energy absorbed by the atomic electrons in the mercury atom is $7.84 \times 10^{-19}$ J

5 0

3 years ago

Mr. MacDougall got his vehicle stuck in the snow. Being the nice student that you are, you stop to help Mr. MacDougall out of th

zhannawk [14.2K]

Answer:

Explanation:

work done=force*displacement

=350N*15m

=5250 joule

4 0

2 years ago

A 720 g softball is traveling at 15.0 m/s when caught. If the force of the glove on the ball is 520 N, what is the time it takes

Sholpan [36]

Answer:

The time it takes the ball to stop is 0.021 s.

Explanation:

Given;

mass of the softball, m = 720 g = 0.72 kg

velocity of the ball, v = 15.0 m/s

applied force, F = 520 N

Apply Newton's second law of motion, to determine the time it takes the ball to stop;

$F = ma = \frac{mv}{t} \\\\t = \frac{mv}{F} \\\\t = \frac{0.72 \ \times \ 15}{520} \\\\t = 0.021 \ s \\$

Therefore, the time it takes the ball to stop is 0.021 s.

5 0

3 years ago

A charge of 5.0 coulombs moves through a circuit in 0.50 second. What is the current in the circuit

user100 [1]

Answer:

Explanation:

i = 5/.5 = 10 Amps. Hope this helps :)

6 0

3 years ago