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Gennadij [26K]
3 years ago
14

What is the momentum of a 2500-kg car traveling at 4.92 m/s?

Physics
1 answer:
Olin [163]3 years ago
4 0

Momentum = mass times velocity

mass = 2500kg

velocity = 4.92 m/s

Therefore momentum = 2500 x 4.92

                                     = 12300 Kg m/s

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Which equation below represents a generic equation suggested by a graph showing a hyperbola?
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Answer:

y = k/x

Explanation:

y = k/x is a graph of a hyperbola that has been rotated about the origin.

8 0
3 years ago
Can something have energy without having momentum? explain. can something have momentum without having energy? defend your answe
marta [7]
Momentum  is a product mass and velocity. If a certain object posses a kinetic energy, then it should have a momentum since it is moving which has a velocity. However, if the object is at rest and only has potential energy, then it would not have momentum. So, for the first question the answer would be yes, an object can have energy without having any momentum. For the second question, every object whether it is moving or at rest, possess some energy, potential for an object at rest and kinetic for an object that is moving. Thus, the answer would be no, an object having momentum would always have energy.
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3 years ago
Which of the following was NOT one of Ghana's chief trading exports?
valina [46]
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3 0
2 years ago
Define reversible change​
inysia [295]

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8 0
3 years ago
A red train traveling at 72 km/hr and a green train traveling at 144 km/hr are headed toward one another along a straight level
Temka [501]
First, convert all the km/hr into m/s

You will get that
initial speed = 20 m/s
Initial speed of Green train = 40 m/s
Initial separation = 950 m
Velocity of approach =  20 - -40 = 60 m/s
relative acceleration = -4 m/s^2

v = u + at
0 = 60 - 4t

t = 15s

s = ut + 1/2  *at * t

s = 60 * 15  - 1/2 *4 * 225
s = 900 - 450

Separation when they stop  = 450 m

hope this helps

5 0
3 years ago
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