3 years ago

What the major difference in PsychologyPsychiatry

Physics

1 answer:

KATRIN_1 [288]3 years ago

7 0

Answer:

Farkındıkal

Explanation:

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If a rock climber accidentally drops a 52.5-g piton from a height of 325 meters, what would its speed be just before striking th

alex41 [277]

Ignoring air resistance, the Kinetic energy before hitting the ground will be equal to the potential energy of the Piton at the top of the rock.
So we have 1/2 MV^2 = MGH
V^2 = 2GH
V = âš2GH
V = âš( 2 * 9.8 * 325)
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3 years ago

Why might some people not have believed Galileo's discoveries?

Mademuasel [1]

They did not believed Galileo's discoveries because religiouse reasons the preast said that all the bible is true but Galileo despised it.

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The bae chart shows the percentage of adults in the U.S. living with certain heart disease risk factors. Which conclusion can be

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3 years ago

How much heat energy is needed to raise the temperature of 2.06 kg of this oil from 23 °c to 191 °c?

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3 years ago

Sylvia and Jadon now want to work a problem. Imagine a puck of mass 0.5 kg moving in a circular simulation. Suppose that the ten

leva [86]

Answer:

Tangential speed, v = 2.64 m/s

Explanation:

Given that,

Mass of the puck, m = 0.5 kg

Tension acting in the string, T = 3.5 N

Radius of the circular path, r = 1 m

To find,

The tangential speed of the puck.

Solution,

The centripetal force acting in the string is balanced by the tangential speed of the puck. The expression for the centripetal force is given by :

$F=\dfrac{mv^2}{r}$

$v=\sqrt{\dfrac{Fr}{m}}$

$v=\sqrt{\dfrac{3.5\ N\times 1\ m}{0.5\ kg}}$

v = 2.64 m/s

Therefore, the tangential speed of the puck is 2.64 m/s.

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3 years ago