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MissTica
3 years ago
9

Substances that protect body cells, including those of the immune system, from damage, are known as _____________.

Physics
2 answers:
34kurt3 years ago
7 0
They are antioxidants I believe
Gnom [1K]3 years ago
5 0
D minerals is the good luck

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a puppy with a mass of 14kg acceleration 7 m/s^2 when an unknown force is applied to it. what is the amount of the force
AnnyKZ [126]

Answer:

F = 98 N

Explanation:

Data:

  • Mass (m) = 14 kg
  • Acceleration (a) = 7 m/s²
  • Force (F) = ?

Use formula:

  • F = m * a

Replace:

  • F = 14 kg * 7 m/s²

Multiply both operations, with the units:

  • F = 98 N

What is the amount of the force?

The amount of the force is <u>98 Newtons.</u>

5 0
3 years ago
A dog uses 300 N of force to run 50 m with a speed of 5.9 m/s. How much power does he expand
balu736 [363]

Answer:

1.47kW

Explanation:

F = 300N, s = 50m, v = 5.9m/s

P = W/t

= (F× )/t

= F × v

= 300 × 5.9

= 1470Watt

= 1.47kW

6 0
4 years ago
Read 2 more answers
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats faci
Klio2033 [76]

Answer:

The radius of a chamber is 2.36 meters.

Explanation:

Given that,

The outer wall moves at a speed of 2.72 m/s.

Mass of the person, m = 75.1 kg

The person feels a force of 235 N force pressing against his back. The force acting on the person is centripetal force. It is given by the below formula :

F=\dfrac{mv^2}{r}

r is the radius of a chamber

r=\dfrac{mv^2}{F}

r=\dfrac{75.1\times (2.72)^2}{235}

r = 2.36 meters

So, the radius of a chamber is 2.36 meters. Hence, this is the required solution.

7 0
3 years ago
Natural selection is part of which step of speciation? *
Blizzard [7]

Answer:

D  (Not too sure)

Explanation:

Natural selection favors the species that can work the best in the environment.

6 0
3 years ago
Read 2 more answers
What will happen to the force felt between two charged objects if the distance between them is 1/3rd of the original distance
kenny6666 [7]

Answer:

New force = 9(initial force)

Explanation:

The force between two charges is given by :

F=\dfrac{kq_1q_2}{r^2}

Where

d is the original distance

Let d' is the new distance such that, r' = r/3

New force,

F'=\dfrac{kq_1q_2}{r'^2}\\\\F'=\dfrac{kq_1q_2}{(\dfrac{r}{3})^2}\\\\F'=9\times \dfrac{kq_1q_2}{r^2}\\\\F'=9F

So, the new force becomes 9 times the initial force.

4 0
3 years ago
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