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SmartStudy Physics Quest 004

BY: @toni2oni | CREATED: May 14, 2018, 11:14 p.m. | VOTES: 9 | PAYOUT: $0.43 | [ VOTE ]

A glass marble falls from a height of 10 m to the ground. There is negligible air resistance, which of the following remains constant during the fall?

A) Acceleration
B) Kinetic energy
C) Speed
D) Velocity

[IMAGE: https://steemitimages.com/DQmYBro5JVtxTU5THEFpkF57BkJDn8vJ89gEVVhW3wB7Vk3/divider.png]

More about the quest

Learn some Physics and get rewarded for it by taking part in this SmartStudy Physics Quest.

I will post Physics questions regularly for the quest. There may be a link for you to read, investigate and come up with the correct answer.

To take part, upvote the post and comment the correct answer.

When the post pays out, the first 3 people with the correct answer and who also upvoted, will receive an equal share of the SBD earnings on the post.
Read more about the SmartStudy Physics Quest.

TAGS: [ #physicsquest ] [ #stem ] [ #contest ] [ #homeschool ] [ #giveaway ]

Replies

@jemzem | May 14, 2018, 11:38 p.m. | Votes: 0 | [ VOTE ]

A. Acceleration

@ijmmai | May 14, 2018, 11:59 p.m. | Votes: 0 | [ VOTE ]

A. acceleration

@akpomedaye | May 15, 2018, 12:14 a.m. | Votes: 0 | [ VOTE ]

A. Acceleration.

@rishi556 | May 15, 2018, 12:39 a.m. | Votes: 1 | [ VOTE ]

I'm too late to win, but I guess I'll provide an explanation to why the answer is A from just my brain(I'm bad at physics, don't quote me on anything.
B isn't right because kinetic energy is (mass * velocity2)/2 and velocity increases as it falls down.
C isn't right because as its falling, its getting faster.
D isn't right because velocity is just speed with a direction so it can't remain constant.
That leaves, A, and earth gravity is 9.81 m/s2 and its always constant(or around there).
How wrong was I?

@toni2oni | May 15, 2018, 2:49 a.m. | Votes: 0 | [ VOTE ]

Not wrong at @Rishi556

@minnowsupport | May 16, 2018, 10:51 p.m. | Votes: 0 | [ VOTE ]

Congratulations! This post has been upvoted from the communal account, @minnowsupport, by toni2oni from the Minnow Support Project. It's a witness project run by aggroed, ausbitbank, teamsteem, theprophet0, someguy123, neoxian, followbtcnews, and netuoso. The goal is to help Steemit grow by supporting Minnows. Please find us at the Peace, Abundance, and Liberty Network (PALnet) Discord Channel. It's a completely public and open space to all members of the Steemit community who voluntarily choose to be there.
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@steemitboard | May 18, 2018, 3:13 p.m. | Votes: 0 | [ VOTE ]

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