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san4es73 [151]
3 years ago
9

Your family is moving to a new home. While lifting a box 1.5 m straight up to put it on a truck, you exert an upward force of 20

0 N. Calculate the amount of work you did.
Physics
2 answers:
JulijaS [17]3 years ago
6 0
W =F*D
1.5*200
=300 joule
Hitman42 [59]3 years ago
3 0

Answer: 300 joules

Explanation:

w=f*d

1.5m*200n=300 joules

hopw this helps, plz mark brainliest, oh and i just took the test and got it right!

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A stone with a weight of 5.29 N is launched vertically from ground level with an initial speed of 26.0 m/s, and the air drag on
makkiz [27]

Answer:

a) 19.4 m/s

b) 19 m/s

Explanation:

a) In the given question,

the potential energy at the initial point = Ui = 0

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the kinetic energy at the initial point = Ki = 1/2 mv₀².

the kinetic energy at the final point = Kf = 0

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Now, using the law of conservation of energy

initial energy= final energy

Ki +Ui = Kf + Uf +Ea

1/2 mv₀² + 0 = 0 + mgh + fh

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h = v₀²/ 2g (1 +f/w)

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h = 19.4 m.

b) 1/2 mv² + 2fh = 1/2 mv₀²

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6 0
2 years ago
Explain how balanced and unbalanced forces effect an objects motion differently
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Balanced Forces acting on an object will not change the object's motion. Unbalanced Forces acting on an object will change the change the object's motion.
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could u vote me brainliest plz? thx :)

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