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densk [106]
2 years ago
15

Which avtivties belongs on top of physical activity pyramid

Physics
2 answers:
abruzzese [7]2 years ago
8 0
Weightlifting,Gymnastics....

Tatiana [17]2 years ago
6 0
The activity that belongs on top of the physical activity pyramid is sprinting
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The ball is displaced to the left and then oscillates backwards and forwards between the two plates. The ball touches a plate on
ELEN [110]

Answer:

Average current produced by the repeated transfer of charge is 5.6 × 10⁻⁷ ampere

Explanation:

The formula to be used here is

Q = It

where Q is the quantity of electricity and it is measured coulombs (C); 2.8 × 10⁻⁸ C or 0.000000028 C

I is current and it is measured in ampere (amps or A); unknown

t is time and it is measured in seconds (s); 0.05 s

Since, average current is what is unknown

I =Q/t

I = 0.000000028/0.05

I = 5.6 × 10⁻⁷ A

Average current produced by the repeated transfer of charge is 5.6 × 10⁻⁷ ampere

4 0
3 years ago
Two charged particles are a distance of 1.62 m from each other. One of the particles has a charge of 7.10 nc, and the other has
k0ka [10]

Answer:

A. F=107.6nN

B. Repulsive

Explanation:

According to coulombs law, the force between two charges is express as

F=(Kq1q2) /r^2

If the charges are of similar charge the force will be repulsive and if they are dislike charges, force will be attractive.

Note the constant K has a value 9*10^9

Hence for a charge q1=7.10nC=7.10*10^-9, q2=4.42*10^-9 and the distance r=1.62m

If we substitute values we have

F=[(9×10^9) ×(7.10×10^-9) ×(4.42×10^-9)] /(1.62^2)

F=(282.4×10^-9)/2.6244

F=107.6×10^-9N

F=107.6nN

B. Since the charges are both positive, the force is repulsive

8 0
3 years ago
Which energy does a car travelling 30 m/ph as it slows have:
Paladinen [302]

Answer:

c) kinetic energy

Explanation:

6 0
2 years ago
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John realized that his orchard has been invaded by certain harmful invasive plants. These plants are consuming all the soil nutr
Dovator [93]
John used smothering as the method to control the harmful invasive plants in his orchard. Smothering is an example of a manual method of control and it works best in a small population of invasive species. Smothering involves covering the invasive species with a barrier that is highly impenetrable for one growing season in order to prevent these species from thriving in the environment.
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3 years ago
A book is sliding across a horizontal desk and comes to a stop. the books kinetic energy was converted into what type of energy
Oliga [24]
Friction stole the book's kinetic energy, and turned it into heat energy ... which blew away in the breeze.
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3 years ago
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