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Simora [160]
3 years ago
15

A 36,287 kg truck has a momentum of 907,175 kg • . What is the truck’s velocity

Physics
2 answers:
yuradex [85]3 years ago
4 0

Momentum = (mass) x (speed) .

So 907,175 kg-m/s = (36,287 kg) x (speed)

Divide each side by (36,287 kg):

Speed = (907,175 kg-m/s) / (36,287 kg)

<em>Speed = 25 m/s</em>

That's the truck's <em>speed</em>. We can't do anything that involves the truck's <em>velocity,</em> because we don't know what direction the truck is moving.  

Serggg [28]3 years ago
4 0

The answer would be 25 m/s, I know because I just did it and got it right.

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Forces that are equal in size but opposite in direction are ____.
Alchen [17]

Answer: The correct answer is balanced force.

Explanation:

Balanced forces are balanced when the forces are acting equal in magnitude but opposite in direction. The balanced forces will not cause change in the speed of the object.

Unbalanced forces are unbalanced when the forces acting on the object are not equal in magnitude. The combined force is the difference between the forces. It will cause the change in the speed of the body.

Therefore, forces that are equal in size but opposite in direction are balanced.

8 0
3 years ago
What are 2 laws of reflection
densk [106]

Answer:

The two laws of reflection are as follows: ... The incidenct ray, the reflected ray, and the normal to the reflecting interface at the point of incidence all lie in the same plane. 2. The angle of incidence equals the angle of reflection.

8 0
2 years ago
Read 2 more answers
A space rocket is launched and accelerates uniformly to 160 m/s in 4.5 s. Calculate the acceleration of the rocket.​
-BARSIC- [3]

Answer:

<h2>35.56 m/s²</h2>

Explanation:

The acceleration of an object given it's velocity and time taken can be found by using the formula

a =  \frac{v}{t}  \\

v is the velocity

t is the time

From the question we have

a =  \frac{160}{4.5}  = 35.55555...

We have the final answer as

<h3>35.56 m/s²</h3>

Hope this helps you

6 0
2 years ago
A swimmer swims 1000 m in the pool in 8.6 minutes. What was the average speed of the swimmer in m/s?
lawyer [7]

Speed = (distance covered) / (time to cover the distance)

Speed = (1,000 meters / 8.6 minutes) x (1 minute / 60 seconds) = 1.94 m/s
                                                                                                       (rounded)
6 0
3 years ago
Read 2 more answers
Can someone please help me out with this question thanks
IrinaK [193]

Answer:

1.98V

Explanation:

V =IR

V =Voltage

I =Current

R = ResistanceV =IR\\V = 100 (0.0198)\\V = 1.98 volts\\Voltage 1.98V

8 0
3 years ago
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