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taurus [48]
3 years ago
7

What are light years actually? answer in brief

Physics
1 answer:
a_sh-v [17]3 years ago
6 0
A light year is a distance. 
It's the distance that light travels in a year, through vacuum.
The distance is about 5.875 trillion miles. 
The nearest star outside our solar system is about 4.2 light years from us.

Sorry to have rambled on for so long.
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How can you pull a rope with equal but opposite forces
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You want to do it all by yourself ?  Nothing to it !

Take a piece of rope that's maybe 12 to 18 inches long.  Take one end
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like you're trying to stretch the rope.  You'll automatically make the forces
of your hands equal and opposite, so that the rope just stays there in front
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There are many different ways to classify matter but one way to only use two categories for all matter. All matter can be classi
Ronch [10]

Answer:

b mixtures or substances

Explanation:

i seasrced

the web that is the anwer i got

8 0
4 years ago
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A 0.550 kg air-track glider is attached to each end of the track by two coil springs. It takes a horizontal force of 0.500 N to
Inessa [10]

(1) The effective spring constant of the system is 7.14 N/m.

(2) The maximum x-acceleration of the glider is 0.9 m/s².

(3) The x-coordinate of the glider at time t= 0.650T is 0.28 m.

(4) The kinetic energy of the glider at x=0.00 m is 0.0175 J.

<h3>The effective spring constant of the system</h3>

The effective spring constant of the system is calculated as follows;

F = kx

where;

  • k is spring constant

k = F/x

k = 0.5/0.07

k = 7.14 N/m

<h3>Maximum acceleration of the glider</h3>

a = ω²x

where;

  • ω is angular speed

ω = √k/m

ω = √(7.14/0.55)

ω = 3.6 rad/s

a =  (3.6)² x 0.07

a = 0.9 m/s²

<h3>Period of the oscillation</h3>

T = 2πx/v

T = 2πx/(ωx)

T = 2π/ω

T = 2π/(3.6)

T = 1.75 seconds

t = 0.65T

t = 0.65 x 1.75

t = 1.14 seconds

x = vt

x = (ωx)t

x = (3.6 x 0.07) x 1.14

x = 0.28 m

<h3>kinetic energy of the glider</h3>

apply the principle of conservation of energy

Kinetic energy = work done by the spring

Kinetic energy = average force x distance

Kinetic energy = ¹/₂(0.5 N) x 0.07 m

Kinetic energy = 0.0175 J

Learn more about kinetic energy here: brainly.com/question/25959744

#SPJ1

The complete question is below:

A 0.550 kg air-track glider is attached to each end of the track by two coil springs. It takes a horizontal force of 0.500 N to displace the glider to a new equilibrium position, x= 0.070 m.

1. Find the effective spring constant of the system.

2. The glider is now released from rest at x= 0.070 m. Find the maximum x-acceleration of the glider.

3. Find the x-coordinate of the glider at time t= 0.650T, where T is the period of the oscillation.

4. Find the kinetic energy of the glider at x=0.00 m.

3 0
1 year ago
True or False
Alla [95]

Answer:

False

Explanation:

The softball is bigger, but it is lighter, which means it has a better chance of getting farther way faster with a lighter amount of force. On the other hand, the golfball is heavier, which would take more force to move it a certain distance.

4 0
3 years ago
Read 2 more answers
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