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3 years ago

An egg is thrown horizontally off the top row bleachers at the Brickyard,

Physics

1 answer:

Ludmilka [50]3 years ago

6 0

Answer:

Explanation:

Divide 30 meters by 7.5 and you´re answer is 4. This is how I would think you solve the problem

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What happens to a light if the switch is turned off in the circuit?

lukranit [14]

In a parallel circuit nothing happens. All the other lights stay on but if it was a series circuit ALL the lights would turn off at one time.

If there is an ABCD question I can answer that but I wasn't sure so I just said this

Hope it is helpful :)

6 0

3 years ago

Why is it important to consider experimental error in all the empirical results presented?

NemiM [27]

Because when your running any experiment there will always be an experimental error so always be ready for it so that you can correct that error in your experiment

3 0

3 years ago

A student of mass 60.0 kg, starting at rest, slides down a slide 20.0 m long, tilted at an angle of 30.0° with respect to the ho

cricket20 [7]

Answer:

Explanation:

Reaction force of inclined surface

R = mgcos30

=60 x 9.8 x .866

= 509 N

Force of kinetic friction

= .12 x 509

= 61.08 N

b )

net force downwards = mgsinθ - μmgcosθ

acceleration = g sinθ - μgcosθ

9.8 sin30 - .12 x 9.8 x cos30

= 4.9 - 1.018

a= 3.88 m /s²

c )

v² = 2as

= 2 x 3.88 x 20

v = 12.46 m /s

8 0

3 years ago

Which of the following measurements involve a direction

insens350 [35]

Answer:

I think it is Velocity idk but does it hurt to try

8 0

3 years ago

If an object on a horizontal frictionless surface is attached to a spring, displaced, and then released, it will oscillate. If i

Blababa [14]

Explanation:

An object is attached to the spring and then released. It begins to oscillate. If it is displaced a distance 0.125 m from its equilibrium position and released with zero initial speed. The amplitude of a wave is the maximum displacement of the particle. So, its amplitude is 0.125 m.

After 0.800 seconds, its displacement is found to be a distance 0.125 m on the opposite side. The time period will be, $t=2\times 0.8=1.6\ s$

We know that the relation between the time period and the time period is given by :

$f=\dfrac{1}{t}$

$f=\dfrac{1}{1.6}$

f = 0.625 Hz

So, the frequency of the object is 0.625 Hz. Hence, this is the required solution.

6 0

3 years ago

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