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3 years ago

A runner has a speed of 5m/s and a mass of 130 kg what is his kinetic energy?

Physics

2 answers:

emmainna [20.7K]3 years ago

6 0

Answer:

1625

Explanation:

apx

arlik [135]3 years ago

4 0

M= 130 kg

v= 5 m/s

kinetik energy = ½• m•v²

= ½ • 130• 5²
= ½•130•25
= ½•3250
= 1625.

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Allisa [31]

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Explanation:

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2 years ago

A positively charged particle 1 is at the origin of a Cartesian coordinate system, and there are no other charged objects nearby

8090 [49]

Answer:

P=(2 nm, 8mn)

Explanation:

Given :

Position of positively charged particle at origin, $O=(0\ nm,0\ nm)$

Position of desired magnetic field, $D\equiv(1\ nm,8\ nm)$

Magnitude of desired magnetic field, $E=0\ N.C^{-1}$

Let q be the positive charge magnitude placed at origin.

We know the distance between the two Cartesian points is given as:

$d=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}$

For the electric field effect to be zero at point D we need equal and opposite field at the point.

$\frac{1}{4\pi.\epsilon_0} \times \frac{q}{r^2 } =\frac{1}{4\pi.\epsilon_0} \times \frac{q}{r^2 }$

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assuming that the second charge is placed at (x,y) nano-meters.

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3 years ago

When the medium is uniform, how do light waves pass through it?

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3 years ago

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Thepotemich [5.8K]

Answer:

1.1775 x 10^-3 m^3 /s

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According to the Poisuellie's formula

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3 years ago