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labwork [276]
3 years ago
11

Help!! HELP HELP HELP HELP

Physics
1 answer:
Anarel [89]3 years ago
8 0

Answer:

if a red <u>gaint </u> star is large enough, it may eventually blow up in an explosion called a <u>supernova</u><u> </u> leaving behind very dense <u>neutron</u> star.

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Two football players move in a straight line directly toward one another. Their equations of motion are as follows:
iren [92.7K]

The time when the two players will collide is 0.96 s.

The equation of motion of the two players is given as;

x1 = 0.1 m + (–3.9 m/s )t

x2 = –6.3 m + (2.8 m/s )t

The time when the two players collide, their displacement is equal or the difference in their position will be zero.

X_1 - X_2 = 0\\\\0.1 - 3.9 t - (-6.3 + 2.8t) = 0\\\\0.1 -3.9t + 6.3 -2.8t = 0\\\\6.4 -6.7t = 0\\\\6.7t = 6.4\\\\t = \frac{6.4}{6.7} = 0.96 \ s

Thus, the time when the two players will collide is 0.96 s.

Learn more here: brainly.com/question/18033352

6 0
2 years ago
A guitar string is plucked. What best describes the formation and transmission of the sound wave?
makvit [3.9K]

The string vibrates the surrounding air, which produces a longitudinal wave.

Brainly if correct? Please and thank you :D

6 0
3 years ago
Read 2 more answers
Which materials, including polystyrenes, can be recycled?
True [87]
Polymers as they are made from plastic
4 0
3 years ago
Read 2 more answers
one person drops a ball from the top of the building while another person at the top observers it's motion. will this two people
cricket20 [7]

Answer:

kinetic energy

Explanation:

the Person on top is Observing

3 0
2 years ago
Similarities between extrusive igneous rocks and intrusive igneous rocks
LiRa [457]

Answer:

Well this would be science... not physics...

Explanation:

1) both are a product of cooling lava/magma

2) Both stones can be caused during volcanic eruptions or clastic flow

3) Both are igneous in family (duh)

4) Intrusive rocks are formed underground from seeping into crevasses and are slow cooling and extrusive rocks are fast or instant cooling and cool above the surface (if differences are needed)

8 0
3 years ago
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