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Kobotan [32]
4 years ago
14

Harnessing the sun's energy to produce heat or electricity is _____.. A. non-polluting . B.inexpensive . C. possible only in coa

stal areas. D. a mojor source of air pollution.
Physics
2 answers:
Jobisdone [24]4 years ago
5 0
Harnessing the sun's energy to produce heat or electricity is : A. Non - Polluting

This energy generating method will cause no dangerous emission for environment (unlike the one that came from fossil fuel), but the energy that produced from the sun tend to be more expensive so it's still not widely used

hope this helps
Leno4ka [110]4 years ago
5 0
Harnessing the sun's energy to produce heat or electricity is _____.

Answer: Out of all the options shown above the one that completes the statement above and makes it true is answer choice A. non-polluting. This is called solar power which is also a renewable resource.

I hope it helps, Regards.
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The microwave oven was invented in 1945 when some experiments with radar equipment failed and melted some nearby chocolate inste
nignag [31]

Answer: Creative Thinking.

Explanation: Creative thinking this is a special ability possessed by individuals to see things differently or I’m a different dimension, and find new ways of solving problems. The fact it’s Creative thinking skills doesnt mean it’s for only 'creative types' like musicians. Everyone can also be a beneficiary of creative thinking from time to time. Just like in the case of the scientist above who saw an invention from his failed experiment.

8 0
3 years ago
A hunter is aiming horizontally at a monkey who is sitting in a tree. The monkey is so terrified when it sees the gun that it fa
Dvinal [7]

Answer:a) The bullet will miss the monkey because the monkey falls down while the bullet speeds straight forward.

Explanation: The bullet keeps as it aim( the monkey) unless it is redirected by an external force that could redirect it. Hence, the bullet speeds straight forward.

3 0
3 years ago
an object is moving with a velocity 10 m/s but its slowing down.After 2m it has stoppes.What was the acceleration?​
s344n2d4d5 [400]

Answer:

Explanation

distance= speedx time

time= 2m/(10m/s) =0.2s

a = v-u/t

a = 0-(10m/s)/0.2s

a= -50m/s2

5 0
4 years ago
What is gravitational energy ?
Tanzania [10]
The energy of one massive object has in relation with another massive object due to gravity is called gravity
4 0
2 years ago
A force of 1.200×103 N pushes a man on a bicycle forward. Air resistance pushes against him with a force of 615 N. If he starts
AleksAgata [21]

Answer:

15.45 m/s

Explanation:

F = 1.2 x 10^3 N, Fk = 615 N, u = 0, s = 25 m

Let the speed after traveling 25 m is v.

mass = F / g = 1200 / 9.8 = 122.45 kg

Net force, Fnet = 1.2 x 1000 - 615 = 1200 - 615 = 585 N

acceleration = Fnet / mass = 585 / 122.45 = 4.78 m/s^2

Use third equation of motion

v^2 = u^2 + 2 a s

v^2 = 0 + 2 x 4.78 x 25 = 238.88

v = 15.45 m/s

4 0
3 years ago
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