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Sergio039 [100]
3 years ago
13

Jake, who weighs 680 newtons, climbs a 6-meter ladder in 8 seconds. What was Jake's power?

Physics
1 answer:
Jobisdone [24]3 years ago
7 0
I feel like it would be 536
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Calculate the current through the ammeter (look at photo)
AleksAgata [21]

Answer:

6 amps

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3 years ago
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If a hammer has a resistance arm of 3 inches and the effort arm is 15 inches. What is the mechanical advantage?
Sunny_sXe [5.5K]

Answer:

Option D

MA=5

Explanation:

Mechanical advantage is the  the ratio of the output force to the  input force hence

MA=\frac {Effort arm length}{Load arm length}

Substituting 15 inches for the effort arm length and 3 inches for the load arm length then we obtain the mechanical advantage as

MA=\frac {15}{3}=5

4 0
3 years ago
A piece of taffy slams into and sticks to another identical piece of taffy that is at rest. The momentum of the two pieces stuck
Yanka [14]

Answer:0.5

Explanation:

Given

Piece of taffy slams in to sticks to another identical  piece and stuck into it.

Let m be the mass of taffy and u be the initial velocity of taffy and v be the final velocity of system.

Conserving momentum

mu=2mv

v=\frac{u}{2}

Initial kinetic energy=\frac{mu^2}{2}

Final Kinetic Energy=\frac{2m(\frac{u}{2})^2}{2}=\frac{mu^2}{4}

change in kinetic energy \Delta K.E.=\frac{mu^2}{2}-\frac{mu^2}{4}=\frac{mu^2}{4}

change in kinetic energy will contribute in heat energy

thus fraction of kinetic energy converted in to heat =\frac{heat\ energy}{Initial\ kinetic\ Energy} =\frac{\frac{mu^2}{4}}{\frac{mu^2}{2}}=\frac{1}{2}=0.5

5 0
4 years ago
Gravitational potential energy depends on the ____________ of the object.
arlik [135]

Answer:

Height And Mass!

Explanation:

Got It from Google! I ain't smart XDD

4 0
3 years ago
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