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Iteru [2.4K]
3 years ago
12

How could you show the effect that gravity has on you? Name 2 ways and explain how they would show that gravity affects you.

Physics
1 answer:
Ilia_Sergeevich [38]3 years ago
8 0
1). Step on a bathroom scale & talk about where the force shown on the dial is coming from.

2). From the floor, climb up on to a chair, then explain why it's hard to do.

3). From up on the chair, take one giant step forward, then talk about what pulled you to the floor (and not to the ceiling or a wall).
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In a game of pool the cue ball is rolling at 2.00 m / s in a direction 30.0° north of east when it collides with the eight ball
victus00 [196]

Answer:

v_{f1}=1.758m/s

v_{f1}=1.758m/s

Explanation:

The collision is elastic so we can use the conservation of momentum

P_i=P_f

m_1*v_1+m_2*v_2=m_1*v_{f1}+m_2*v_{f2}

Describe the motion in axis x'

170g*2.0m/s*cos(30)+156g*0m/s=170*cos(10)*v_{f1}+156g*0m/s

294.44 g*m/s=167.41g*v_{f1}

v_{f1}=1.758m/s

Describe the motion in axis y'

170g*2.0m/s*sin(30)=170g*1.75m/s*sin(10)+156*v_{f2}

v_{f2}=1.55m/s

7 0
4 years ago
Which best explains how thermal energy is transferred when someone holds a hand above a fire?
Artyom0805 [142]
Heat rises therefore the heat from the fire rises up to your hand... i didnt have any answer choices to work with sorry
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3 years ago
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Instantaneous speed is measured
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The correct answer is C
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Rosa was looking for patterns to help predict the products of chemical reactions. She recorded three similar decomposition react
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Answer:

It's A

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Because I know it is

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a student claims that since the model of the atom has been changed so many times, that means it is a weak model. State whether y
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As science being dynamic many things will change and due to this changes many things and theories will be new to us. the model of the atom is not weak, it is just developing as time progress because in the early times it is not fully understood because of the lack of technology to study, what scientist do is just filling the knowledge gap of the previous studies.
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3 years ago
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