the answer is a: galaxies. galaxy clusters are groups of galaxies that like to hang out together out there in space. the milky way's own galaxy cluster is called the local group.

8 0

3 years ago

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During the execution of a play, a football player carries the ball for a distance of 33 m in the direction 58° north of east. To

podryga [215]

Answer:28 m

Explanation:

Given

Direction is $58^{\circ}$ North of east i.e. $58 ^{\circ}$ with x axis

Also ball moved by 33 m

therefore its east component is 33cos58=17.48 m

Northward component $=33sin58=27.98 m\approx 28 m$

8 0

3 years ago

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a vel

zmey [24]

Answer:

Mass of receiver is 92 kg

Explanation:

We have given mass of tackler $m_1=100kg$

Let the mass of receiver is $m_2kg$

When tackler moving alone velocity is $v_i=4.8$ m/sec

And when tackler and receiver is together velocity is $v_f$ = 2.5 m/sec

So from conservation of momentum

$m_1v_i=(m_1+m_2)v_f$

$100\times 4.8=(100+m_2)\times 2.5$

$2.5m_2+250=480$

$2.5m_2=230$

$m_2=92kg$

So mass of receiver is 92 kg

4 0

3 years ago