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mel-nik [20]
3 years ago
11

PLEASE HELP!!! WILL GET BRAINIEST FOR 5 SENTENCES

Physics
1 answer:
emmasim [6.3K]3 years ago
5 0
Hello.

BEVs and hydrogen fuel cell vehicles are a more promising transportation technology for the future because they reduce greenhouse gas emissions as well as CO2 making it more 'green.' The second question is your opinion, in mine no, they should not be required but they should at least be considering.
Have a nice day
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Helge, Steve, and Heidi are sitting on a sled on a slope covered with a hard snow. The sled is stationary. The friends have diff
joja [24]

Answer:

Heldi is right

Explanation:

It will not move even if more people or one person gets off it will stay the same til a force pushes down on it.

4 0
3 years ago
A 9kg bowling ball rolls of a table and strikes the ground. If the ball is in the air for 0.5 sec, how fast is the ball moving w
stepladder [879]
Falling for 1 second it would have accelerated to 9.8 metres per second 

so the answer is 9.8*0.05=0.49m/sec 

that is your answer
4 0
3 years ago
What would most likely happen if one of the runners bagan jogging in knee-deep water
Nesterboy [21]
Then they will most likely slow down unless they do high knees or something like that 
7 0
3 years ago
How many ""accelerators"" do you have in your car? There are three ways to change the velocity of a car and there are three corr
elena-s [515]

Answer:

The three "accelerators"  are: the throttle,  the steering wheel and the brakes.

Explanation:

Acceleration means change in velocity. But this change may be in module or in direction.

Car throttle will increase the  velocity module of the car and brakes wil diminish it. On the other hand, the steering wheel will change the direction of the velocity.

Hope my answer helps you.    Have a nive day!

7 0
3 years ago
in terms of the wavelength of the sound wave, about how far below the open end of the resonance tube is the first resonant posit
notka56 [123]

The first resonant position below the open end of the resonance tube is; <em><u>one-quarter of the wavelength</u></em>

In the event of the first resonant position in a resonance tube, there will be a maximum air displacement which is only one antinode right at the open end where the motion is constrained.

However, there will be no displacement at the closed end which means another one node right at the closed end where air is halted.

This means that the standing wave will have one-quarter of the wavelength in the test tube.

Thus;

L = ¼λ

Read more at; brainly.com/question/17086525

8 0
2 years ago
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