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3 years ago

Directions: WRITE a summary of the Newton’s Laws of Motion reading.

Physics

1 answer:

djyliett [7]3 years ago

8 0

Answer:

In the Newton's first law of motion, a stationary body or that moving with uniform motion will only chnage its state if acted upon by other forces externally.This kind of resistance is caused by the force of inertia.In his second law of motion,when a body is acted by a force, the force will be equal to the product of mass and acceleration of the body.i.e F=ma. In the third law of motion, it explains that a body will exert an equal and opposite force when interacting with another body.Thus, every action force experiences an equal and opposite reaction force.Here the momentum of the bodies will be conserved.

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A water skier lets go of the tow rope upon leaving the end ofa

ANTONII [103]

Answer:

1.35m

Explanation:

At the highest point of the jump, the vertical speed of the skier should be 0. So the 13m/s speed is horizontal, this speed stays the same from the jumping point to the highest point. The 14m/s speed at jumping point is the combination of both vertical and horizontal speeds.

The vertical speed at the jumping point can be computed:

$v_v^2 + v_h^2 = v^2$

$v_v^2 + 13^2 = 14^2$

$v_v^2 = 196 - 169 = 27$

$v_v = \sqrt{27} = 5.2 m/s$

When the skier jumps to the its potential energy is converted to kinetic energy:

$E_p = E_k$

$mgh = mv_v^2/2$

where m is the skier mass and h is the vertical distance traveled, $v_v$ is the vertical velocity at jumping point, and h is the highest point.

Let g = 10m/s2

We can divide both sides of the equation by m:

$gh = v_v^2/2$

$h = \frac{v_v^2}{2g} = \frac{27}{2*10} = 1.35 m$

3 0

3 years ago

The magnetic fields in all planets are generated by the dynamo effect, caused by rapidly rotating and conducting material flowin

exis [7]

Answer:

Venus's very slow rotations rate does not allow a magnetic field to form

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2 years ago

what causes ocean water near the equator to be warmer than ocean water farther north? a. upwellings spew warm water toward the e

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The structure and curvature of the Earth results in beams of sunlight glancing off the equator and reaching other areas of the Earth. This means that the areas at the equator receive more energy as sun's rays hit them directly.
Therefore, the answer is C.

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2 years ago

Read 2 more answers

Give two example for push or pull to change the state of motion of time two examples

dolphi86 [110]

Explanation:

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3 years ago

A restaurant records the number of tables served each night, and the results have the values: minimum = 3, lower quartile = 14,

dybincka [34]

To choose the correct box plot, verify each of the options and make sure all the values in the plot match the values provided.

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In a box plot, this value is represented by a vertical line located in the middle of the graph.

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2 years ago