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ss7ja [257]
3 years ago
11

Im stuck on this question, please help. :)

Physics
1 answer:
Pie3 years ago
4 0

Light travels in waves, and light travels at about 3.0x10^8 m/s. and you call that this the 'speed of light' so your answer possible could be

A. It travels at the speed of light.

I might be wrong so double check.

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The environment affects people, but people don't affect the environment.<br><br><br>TRUE OR FALSE
Drupady [299]

Answer: False

Explanation:

The statement that the environment affects people, but people don't affect the environment is incorrect. It should be noted that people also affect the environment.

Some of our impact on the environment include pollution, deforestation, overpopulation, burning of fossil fuels etc. Thus has resulted in changes such as erosion, climate change, etc.

5 0
3 years ago
Which of the following best describes each particle?
Nana76 [90]

Answer:

C. Protons are positive, neutrons are neutral, and electrons are negative

4 0
3 years ago
A student weighing 700 N climbs at constant speed to the top of an 8 m vertical rope in 10 s. The average power expended by the
stich3 [128]

Answer:

3.    560W

Explanation:

First we calculate the work required for the 700N weigh student to climb up by 8 meters. Work is force times distance

W = Fs = 700 * 8 = 5600J

The average power is defined as the rate of energy expended over a unit of time. In order words, work divided by time duration

P = W/t = 5600 / 10 = 560 W

3 0
3 years ago
Does anyone understand This question if you do can you tell me the answer
leonid [27]

Answer:

50N increasing

Explanation:

it looks like we want the net force. this is the sum of all forces acting on the object. here the problem is extremely simplified and we are even given the values of force. this looks like the rocket is producing an upward force of 160 newtons. it also looks like maybe weight (gravity) and drag (air resistance) are producing downward force against the rocket. we can say those would be subtracting from the amount of upwards force. so 160-40-70=50N. since the force is positive that means we will still have a magnitude of force vector that points upward and so we will increase.

6 0
3 years ago
6CO2 + 6H20 + (energy)
Studentka2010 [4]

Answer:6CO2 + 6H20 + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen

Explanation:

8 0
3 years ago
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