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Rom4ik [11]
3 years ago
11

Could you please explain the step by step process of setting up this problem?

Physics
1 answer:
natka813 [3]3 years ago
6 0
Answer:

B. 1.60 m

Explanation

Hope this helps
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What is the difference between newtons law of gravitation and Coulombs law?​
svlad2 [7]
Coulomb's law explains the force between the charges whereas Newton's law of gravitation explains the force between the masses. ... The electrostatic force may be positive or negative in the case of Coulomb's law but the force is always negative in the case of Newton's law of gravitation
4 0
3 years ago
a ball is thrown in the air at 20 m/s. ignoring redistance, what is the speed when it returns to the level at which it was throw
inysia [295]

Ball is projected upwards with speed 20 m/s

now using kinematics

v_f^2 - v_i^2 = 2 a\delta x

here when ball returns back to same position.

total displacement of ball will be zero.

v_f^2 - v_i^2 = 0

vf = vi

So ball will return to initial position with same speed in opposite direction.

6 0
3 years ago
- A person is on an elevator that moves
Mademuasel [1]

Answer:

The net force acting on the person is, F = 560 N

Explanation:

Given data,

The downward acceleration of the elevator, a = 1.8 m/s²

The weight of the person is, W = mg

                                                          = 686 N

Therefore the mass of the person,

                                           m = W /g

                                               = 686 / 9.8

                                               = 70 kg

The net force acting on the person,

                                           F = mg - ma

                                               = 686 - 70 x 1.8

                                               = 560 N

Hence, the net force acting on the person is, F = 560 N

5 0
3 years ago
List possible causes of fever and explain the benefits of fever
olga2289 [7]

Answer:

Fever or elevated body temperature might be caused by:

A virus.

A bacterial infection.

Heat exhaustion.

Certain inflammatory conditions such as rheumatoid arthritis — inflammation of the lining of your joints (synovium)

A malignant tumor.

Many illness-causing microbes do best at the body's normal temperature. A fever raises the temperature beyond which certain microbes need to reproduce. A fever also kicks your child's immune system into high gear, spurring the rapid production of bug-clobbering white blood cells.

Explanation:

google lol

7 0
3 years ago
The number of different species in the biosphere or in a particular area is called
Arada [10]

Answer:

Biodiversity.

Explanation:

The number of different species in a particular area is known as biodiversity. Blue whales, plants, different kind of animals, and micro-organism living in an ocean is the example of biodiversity. In biodiversity each specie has its own role. For example, if a biodiversity has large number of plants (species), it will have many type of crops.  

7 0
3 years ago
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