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TEA [102]
3 years ago
7

A soccer ball with a mass of 0.60 kg travels toward a soccer goalie at

Physics
1 answer:
Deffense [45]3 years ago
7 0

Assuming constant acceleration, the goalie slows the ball from 18 m/s to rest in 0.035 s, so that the acceleration felt by the ball is

a_{\rm ave} = a = \dfrac{18\frac{\rm m}{\rm s}-0}{0.035\,\mathrm s} \approx \boxed{510\dfrac{\rm m}{\mathrm s^2}}

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[OU.04]What type of galaxy is described as having a circular shape with most of the objects concentrated around its center? spir
GalinKa [24]

Answer:

spiral

Explanation:

A galaxy may be defined as the huge collection of celestial bodies like the stars, planets, dark matters, dust and gases and the solar systems. It is derived from the Greek work, 'Galaxias' , which means "milky". There are many types of galaxies. They are : Spiral galaxy, Elliptical galaxy, Irregular galaxy and Barred spiral galaxy.

A spiral galaxy is one which contains a sphere shaped bulge which consists of old stars and it is devoid of dust and gas. Its circular shape composes a disk. It is of circular shape having most of the objects concentrated in its center.

5 0
3 years ago
Read 2 more answers
a baby carriage is sitting at the top of a hill that is 21m high. The carriage with the baby weighs 12kg. The carriage has _____
Ket [755]
  • Height=h=21m
  • Mass=m=12kg

\\ \rm\longmapsto P.E=mgh

\\ \rm\longmapsto P.E=12(10)(21)

\\ \rm\longmapsto P.E=120(21)

\\ \rm\longmapsto P.E=2520J

8 0
3 years ago
Which units would not be appropriate for describing a rotational acceleration?
Y_Kistochka [10]
Ounces would be an inappropriate unit for describing rotational acceleration
6 0
3 years ago
Hey can anyone help me out in dis
Elis [28]

Answer:

A) moving randomly

B) collide into each other

D) high kinetic energy

Explanation:

Gas particles move very fast (high kinetic energy) and in unpredictable directions (moving randomly). They also collide into each other.

I hope this helps!  If it does, a Thanks or brainliest would be much appreciated :)

6 0
3 years ago
Which temperature scale does NOT have negative values?
Troyanec [42]

Answer:

Kelvin scale degrees

Explanation: The Kelvin scale starts at 0°k, the lowest possible temperature, as at this point, all movement stops at an atomical level.

4 0
2 years ago
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