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Ksenya-84 [330]
3 years ago
15

According to Newton's 3rd Law, an object's momentum depends on it's velocity and mass. 4 dog-sled teams competed to see who coul

d gain the greatest momentum. All 4 sled and driver teams were the same mass, but each driver had to select a passenger to carry as part of the challenge. Each passenger was a different mass.
Which sled team had the greatest momentum at the finish line?
A) Sled Team A 48 kg moving at 10m/s
B) Sled Team B 14 kg moving at 18m/s
C) Sled Team C 28 kg moving at 12m/s

D) Sled Team D 22 kg moving at 12m/s
Physics
1 answer:
podryga [215]3 years ago
7 0

Answer:

C.) Sled Team C 28 kg moving at 12m/s

I'm pretty sure.

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If a conductor wire gets heated. What happens with its resistance?
yawa3891 [41]
If a conductor wire is heated, its resistance decreases and conductivity increases.
4 0
3 years ago
What is the electrical force between q2 and q3? Recall that k = 8. 99 × 109 N•meters squared over Coulombs squared. 1. 0 × 1011
nlexa [21]

Force on the particle is defined as the application of the force field of one particle on another particle. the electrical force between q₁ and q₃ will be –1. 1 × 10¹¹ N.

<h3>What is electric force?</h3>

Force on the particle is defined as the application of the force field of one particle on another particle. It is a type of virtual force.

The electric force in the second case will be the same as in the first case. Therefore the force on the particle will be the same.

\rm F= K\frac{q_2q_3}{r^2}

\rm F= 9\times 10^9 \times \frac{1.6 \times 10^{-13}\times 1.6\times10^{-13}}{(0.5)^2}

\rm F=  - 1. 1 \times 10^{11 }N

Hence the electrical force between q₁ and q₃ will be –1. 1 × 10¹¹ N.

To learn more about the electric force refer to the link;

brainly.com/question/1076352

4 0
2 years ago
Do you think extremist groups, cults, and gangs pose a significant threat in your country? Why or why not?
Lynna [10]

Answer:

let me check the answer for you

4 0
2 years ago
Which of the following best expresses the definition of mass?
sergey [27]
The quantity of matter in a body regardless of its volume or of any forces acting on it.
4 0
3 years ago
The mass of the car?
Nonamiya [84]

Answer:

1050 kg

Explanation:

The formula for kinetic energy is:

KE (kinetic energy) = 1/2 × m × v² where <em>m</em> is the <em>mass in kg </em>and <em>v</em> is the velocity or <em>speed</em> of the object <em>in m/s</em>.

We can now substitute the values we know into this equation.

KE = 472 500 J and v = 30 m/s:

472 500 = 1/2 × m × 30²

Next, we can rearrange the equation to make m the subject and solve for m:

m = 472 500 ÷ (1/2 × 30²)

m = 472 500 ÷ 450

m = 1050 kg

Hope this helps!

3 0
1 year ago
Read 2 more answers
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