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Gre4nikov [31]
3 years ago
14

Help and thanks in advanced

Physics
1 answer:
Zanzabum3 years ago
3 0

Answer:

by doing the test over and over again until you get the right results

Explanation:

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trapecia [35]
Prejudice- <span>not based on reason or actual experience.
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4 years ago
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How much pressure is being exerted by blood cells that are applying 375N of force over 25.5m2 of your body’s blood vessels?
astra-53 [7]

Answer:

Pressure = 14.71N/m²

Explanation:

Given the following data;

Force = 375N

Area = 25.5m²

To find the pressure;

Pressure = force/area

Pressure = 375/25.5

Pressure = 14.71N/m²

Therefore, the amount of pressure that is being exerted by blood cells is 14.71 Newton per meter square.

5 0
3 years ago
If the boy and his bike actually had a mass of 40 kg instead of 50 kg how much force would it take for him to accelerate at 0.8
klio [65]

Answer:

F = 32 [N]

Explanation:

To solve this problem we must use Newton's second law, which tells us that the sum of forces on a body is equal to the product of mass by acceleration.

∑F = m*a

where:

F = forces applied [N] (units of Newtons)

m = mass = 40 [kg]

a = acceleration = 0.8 [m/s²]

Now replacing:

F=m*a\\F = 40*0.8\\F = 32 [N]

8 0
3 years ago
A 40.0-kg football player leaps through the air to collide with and tackle a 50.0-kg player heading toward him, also in the air.
lara31 [8.8K]

Answer:

The speed and direction of the tangled players is 2.89 m/s towards right.

Explanation:

Given;

mass of the player heading right, m₁ = 40 kg

initial velocity of the player heading right, u₁ = 9.0 m/s

mass of the player heading left, m₂ = 50 kg

initial velocity of the player heading left, u₂ = -2.0 m/s

let the speed of the tangled players = v

Apply the law of conservation of linear momentum;

m₁u₁ + m₂u₂ = v(m₁ + m₂)

(40 x 9) + (50 x - 2) = v(40 + 50)

360 - 100 = v(90)

260 = v(90)

v = 260 / 90

v = 2.89 m/s (towards right, since it is in position direction)

Therefore, the speed and direction of the tangled players is 2.89 m/s towards right.

5 0
3 years ago
Considering that microwave ovens radiate at 2.45 GHz, how would you respond to the debate
vlada-n [284]
On the off chance that a 2.45 GHz microwave flag is by one means or another radiating from your microwave oven, that is exceptionally perilous and you ought to have it settled or supplanted promptly. A 1000 Watt microwave oven radiating energy into the nearby environment can, contingent upon conditions, make you lose awareness in around 12 to 15 minutes of presentation at a separation of around 10 feet.
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3 years ago
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