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Zigmanuir [339]
3 years ago
6

Which concept represents most encompassing aspect of our lives

Physics
1 answer:
Goryan [66]3 years ago
5 0
The most ecompassing aspect of our lifes is emotional health

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How much work does a 65 kg person climbing a 2000 m high cliff do?
qaws [65]

The answer for the following question is explained below.

  • <u><em>Therefore the work done is 130 kilo Joules.</em></u>

Explanation:

Work:

A force causing the movement or displacement of an object.

Given:

mass of the person (m) = 65 kg

height of the cliff (h) = 2000 m

To calculate:

work done (W)

We know;

According to the formula:

  <u>W = m × g × h</u>

Where;

m represents mass of the person

g represents the acceleration due to gravity

where the value of g is;

  <u> g = 10 m/ s²</u>

h represents the height of the cliff

From the above formula;

  W = 65 × 10 × 2000

 W = 130,000 J

  W = 130 Kilo Joules

<u><em>Therefore the work done is 130 kilo Joules.</em></u>

3 0
3 years ago
Procedure on making electricity using solar
OLga [1]
<span>Solar-powered photovoltaic (PV) panels convert the sun's rays into electricity by exciting electrons in silicon cells using the photons of light from the sun. This electricity can then be used to supply renewable energy to your home or business.</span>
8 0
3 years ago
What is the kinetic energy of a 2995 kg truck when it moving 47 ms
Dafna11 [192]
To find the kinetic energy . You have to use this equation : 1/2m(v^2) .

7 0
3 years ago
On a straight road (taken to be in the x direction) you drive for an hour at 60 km per hour, then quickly speed up to 120 km per
Luda [366]

Answer:

The average velocity is 180 km/hr

Explanation:

Given;

initial velocity, u = 60 km per hour

final velocity, v = 120 km per hour

initial time = 1 hour

final time = 2 hour

Initial position = 60 km/h x 1 hour = 60 km

final position = 120 km/h x 2 hour = 240 km

The average velocity is given by;

V_{avg} = \frac{Final \ position\  - \ Initial \ position}{final \ time\  - \ initial \ time}\\\\V_{avg} = \frac{240km \ - \ 60km}{2hr\  - \ 1hr} \\\\V_{avg} = \frac{180 \ km}{1hr} \\\\V_{avg}= 180 \ km/hr

Therefore, the average velocity is 180 km/hr

3 0
3 years ago
All of the following statements about the pyramid of biomass are correct EXCEPT: a. Biomass is the total dry mass of the organis
Goshia [24]

Answer: The answer is option B

Explanation:

The base of the pyramid represents primary producers since they help to pass on energy to consumers as we go higher in the pyramid. They are not consumers because they supply energy and do not use up energy. They are called autotrophs.

5 0
3 years ago
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