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4 years ago

8

19. Which type of collision is hitting a baseball with a bat? *

1 answer:

Nataly_w [17]4 years ago

4 0

The answer is partially inelastic collision

In this type of collision there is no conservation of kinetic energy, and the objects don't stick together after the impact.

There is deformation of the ball (which causes heating)

There is friction between the ball and the bat.

And there is loss of energy due to sound.

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A billiard ball is moving in the x-direction at 30.0 cm/s and strikes another billiard ball moving in the y-direction at 40.0 cm

ipn [44]

To solve this problem it is necessary to apply the trigonometric ratios of the given velocity components.

If we make a graph of the velocity vectors in their respective velocities according to the given description we will have something similar to the attached graph.

The angle could be obtained from the components of the opposite leg and the adjacent leg so that

$tan\theta = \frac{x}{y}$

$\theta = tan^{-1}(\frac{x}{y})$

The opposite leg value (y) is 40cm / s and the adjacent leg (x) is 30cm / s

$\theta = tan^{-1}(\frac{30}{40})$

$\theta = 36.87\°$

Therefore the final direction that does the first ball is 36.87°

6 0

3 years ago

Copper wire is 1. 9 mm in diameter and carries a current of 20 a. What is the electric field stregnth inside this wire?

Tju [1.3M]

The electric field strength will be 0.6252 V/m. It is the strength at which the field is created by charges.

<h3>What is electric file strength?</h3>

The electric field strength is defined as the ratio of electric force and charge.

The electric field strength is found as;

$\rm E = \frac{I \rho }{A} \\\\ \rm E = \frac{20 \times 1.68 \times 10^{-8} }{ (0.6385 \times 10^{-6}} \\\\ E= 0.5262 \ V/m$

Hence, the electric field strength will be 0.6252 V/m.

To learn more about the electric field strength, refer to the link;

brainly.com/question/4264413

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3 0

2 years ago

A Fourier analysis of the instantaneous value of a waveform can be represented by:

Viefleur [7K]

Answer:

t = 1

Explanation:

you dont know the value of the variable

7 0

3 years ago

Read 2 more answers

Please answer the following question!

Semmy [17]

Answer:

0

Explanation:

the momentum will always be 0 when it is at rest because the object isnt moving!

Hope this helped!

6 0

2 years ago

an airplane drops a 100 kg package of supplies for a town in need. the airplane is flying 600 m above the ground. What is the ac

makkiz [27]

Explanation:

Assuming no air resistance, the package accelerates at 9.8 m/s² towards the Earth.

7 0

4 years ago