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guapka [62]
3 years ago
14

Type the correct answer in the box. Spell the word correctly.

Physics
2 answers:
Reika [66]3 years ago
7 0

Answer:

"cold dark matter"

Explanation:

other person is correct!!!

serious [3.7K]3 years ago
3 0

Answer:

The Lambda-CDM model contains a cosmological constant, denoted by a lambda (λ), which is associated with dark energy and <u>cold dark matter</u>.

^Also works for Plato users.

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Identify the relationship between the two quantities in the given question as causation or
Mumz [18]

Answer:2. The number of miles driven and the amount of gas used.

Explanation:

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3 years ago
Based on what you have just read, what are the advantages of storing music digitally compared to using an analog system?
melamori03 [73]

Storing music digitally requires less storage room than analog records or tapes. Digital music is easier to copy and the copies are the same as the original. The quality of the signal does not degrade over long periods of time.

7 0
3 years ago
Read 2 more answers
A 5.00 kg crate is suspended from the end of a short vertical rope of negligible mass. An upward force F(t) is applied to the en
Brut [27]

Answer:

75 N

Explanation:

In this problem, the position of the crate at time t is given by

y(t)=2.80t+0.61t^3

The velocity of the crate vs time is given by the derivative of the position, so it is:

v(t)=y'(t)=\frac{d}{dt}(2.80t+0.61t^3)=2.80+1.83t^2

Similarly, the acceleration of the crate vs time is given by the derivative of the velocity, so it is:

a(t)=v'(t)=\frac{d}{dt}(2.80+1.83t^2)=3.66t [m/s^2]

According to Newton's second law of motion, the force acting on the crate is equal to the product between mass and acceleration, so:

F(t)=ma(t)

where

m = 5.00 kg is the mass of the crate

At t = 4.10 s, the acceleration of the crate is

a(4.10)=3.66\cdot 4.10 =15.0 m/s^2

And therefore, the force on the crate is:

F=ma=(5.00)(15.0)=75 N

7 0
3 years ago
A particle of mass.25 kg is moving with a speed of 7m/s due north.find it's kinetic energy.<br>​
Ivenika [448]

Answer:

Explanation:

612J

3 0
3 years ago
You throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock passes you on its way down,
Agata [3.3K]

Answer:

Explanation:

for vertical movement , time to reach the top = time to reach the hand = 2.5 s

v = u - gt

At the top , v = 0 , time t = 2.5 s

0 = u - g x 2.5

u = 2.5 x 9.8 = 24.5 m /s

velocity of throw = 24.5 m /s

So , when it passes the hand on its way down , it will have velocity equal to 24.5 m /s and it will accelerate downwards . Let its velocity down by 22 m be v

v² = u² + 2 g s

= 24.5² + 2 x 9.8 x 22

= 600.25 + 431.2

= 1031.45

v = 32.11 m /s .

7 0
2 years ago
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