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ICE Princess25 [194]
3 years ago
11

A person with a gravitational force of 750 N is sitting in the centre of a hammock which is strung between two trees. The ropes

supporting the hammock make an angle of 20.0 degrees to the level ground. What is the magnitude of the force on each rope?
Physics
1 answer:
bija089 [108]3 years ago
8 0

Answer:

Answer in photo

Explanation:

Answer in photo

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What is the process called in which water vapor and carbon dioxide retain heat?
saw5 [17]

The process in which water vapour and carbon dioxide traps heat is called the “greenhouse effect”.

 

The greenhouse effect is a natural phenomenon which occurs every day. To illustrate an example of this natural phenomenon, d<span>uring the day the Sun shines through the atmosphere. Earth's surface warms up because of the sunlight. Meanwhile at night in the absence of the sunlight, Earth's surface cools back and releasing the heat back into the air. However some of the heat is retained by the greenhouse gases (such as carbon dioxide and water vapour) in the atmosphere. This process what keeps our planet Earth warm and cozy at an average temperature of 16°C.</span>

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<span>Answer:</span>

<span>greenhouse effect</span>

6 0
3 years ago
Charge q is accelerated starting from rest up to speed v through the potential difference V. What speed will charge q have after
adoni [48]

Answer: v = 1.19 * 10^{6} m/s

Explanation: q = magnitude of electronic charge = 1.609 * 10^{-19} c

mass of an electronic charge = 9.10 * 10^{-31} kg

V= potential difference = 4V

v = velocity of electron

by using the work- energy theorem which states that the kinetic energy of the the electron must equal the work done use in accelerating the electron.

kinetic energy = \frac{mv^{2} }{2},  potential energy = qV

hence, \frac{mv^{2} }{2} = qV

\frac{9.10 *10^{-31} * v^{2}  }{2} = 1.609 * 10^{-16} * 4\\\\\\\\9.10*10^{-31}  * v^{2} = 2 * 1.609 *10^{-16} * 4\\\\\\9.10 *10^{-31} * v^{2} = 1.287 *10^{-15} \\\\v^{2} = \frac{1.287 *10^{-15} }{9.10 *10^{31} } \\\\v^{2} = 1.414*10^{15} \\\\v = \sqrt{1.414*10^{15} } \\\\v = 1.19 * 10^{6} m/s

7 0
3 years ago
A carmaker has designed a car that can reach a maximum acceleration of 12 meters/second2. The car’s mass is 1,515 kilograms. Ass
Vlada [557]
1) 15 / 12 = 1.25 ratio
2) to increase acceleration  1.25 times (with same F, or same engine) you have to lower mass 1.25 times
3) 1515/1.25 = 1212 kg

choose A

6 0
3 years ago
How does this pendulum demonstrate the law of conservation of energy?
muminat

Answer:

I'm sorry but I dont really know this answer

4 0
3 years ago
Which careers typically require post-secondary education other than vocational school? Check all that apply. Boiler Operation Co
In-s [12.5K]

Answer: Construction management, Architecture, Civil Drafting.

Explanation: hope this helps :)

5 0
3 years ago
Read 2 more answers
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