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3 years ago

ILL GIVE YOU BRAINIEST PLEASE ANSWER!!!! QUICKKKK

Physics

2 answers:

S_A_V [24]3 years ago

6 0

It’s A radiation!!!!!!!!

Zolol [24]3 years ago

3 0

It’s definitely radiation

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A 110 kg football player running with a velocity of 5.0 m/s hits another stationary football

KengaRu [80]

Answer:

The final velocity of the second player is 6.1 m/s.

Explanation:

The final velocity of the second player can be calculated by conservation of linear momentum (p):

$p_{i} = p_{f}$

$m_{a}v_{a_{i}} + m_{b}v_{b_{i}} = m_{a}v_{a_{f}} + m_{b}v_{b_{f}}$ (1)

Where:

$m_{a}$ : is the mass of the first football player = 110 kg

$m_{b}$ : is the mass of the second football player = 90 kg

$v_{a_{i}}$ : is the initial velocity of the first football player = 5.0 m/s

$v_{b_{i}}$ : is the initial velocity of the second football player = 0 (he is at rest)

$v_{a_{f}}$ : is the final velocity of the first football player = 0 (he stops after the impact)

$v_{b_{f}}$ : is the final velocity of the second football player =?

By solving equation (1) for $v_{b_{f}}$ we have:

$110 kg*5.0 m/s + 0 = 0 + 90 kg*v_{b_{f}}$

$v_{b_{f}} = \frac{110 kg*5.0 m/s}{90 kg} = 6.1 m/s$

Therefore, the final velocity of the second player is 6.1 m/s.

I hope it helps you!

8 0

3 years ago

How does reducing the volume of a gas affect its pressure if the temperature of the gas and the number of particles are constant

Tema [17]

have no idea but I think the particles would be affected because they would move faster then normal and have the space to

5 0

3 years ago

A person walks into a room that has, on opposite walls, two plane mirrors producing multiple images. Find the distances from the

Lapatulllka [165]

Answer:13.2,41.4,82.8 ft

Explanation:

Given Person is 6.60 ft from the left hand side mirror

Since the focal length of plane mirror is infinity therefore image and object are equidistant from mirror

Distance of first image on left mirror is

$d_1=6.6+6.6=13.2 ft$

i.e. image is 13.2 ft away from object

Second image

Now the right mirror forms the image of object at distance of 14.1 ft right from right mirror so its image is formed in left mirror at a distance of 34.8 from left mirror

so image distance from person is

$d_2=34.8+6.6=41.4 ft$

Third image now form image of second image is formed on right mirror at a distance of 55.5 right from right mirror

and its mirror image is formed on left mirror at a distance of 76.2 left

from left mirror

$d_3=76.2+6.6=82.8 ft$

8 0

3 years ago

A circular loop of radius 5 cm carries a current of 5A, it has a uniform magnetic field of 2,0T. Calculate the magnetic force on

pshichka [43]

Answer:

$F = BIl$

F » magnetic force

B » magnetic flux density

l » length / circumference

$F = BI(2\pi r)$

r » radius

$F = 2 \times 5 \times (2 \times 3.14 \times 0.05) \\ { \underline{force = 3.14 \: \: newtons}}$

4 0

3 years ago

How do the gravitational and electrical forces between a proton and a neutron compare

alisha [4.7K]

Answer:

The gravitational force is much larger than the electrical force for any distance between the particles.

Explanation:

8 0

3 years ago