3 years ago

Which term describes atoms with different atomatic masses due to varying numbers of neutrons

Physics

2 answers:

frez [133]3 years ago

8 0

Isotopes is the answer.

Fynjy0 [20]3 years ago

3 0

The answer is C isotopes

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Answer:

Explanation:

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PRACTIC

klasskru [66]

Answer:

2482 Kg.m/s

Explanation:

Momentum is a product of mass of an object and its velocity with consideration to the direction of velocity and expressed as, p=mv where m represent mass of the ostrich and v is the velocity in m/s, p is momentum.

Substituting the mass of ostrich with 146 kg and the velocity as 17 m/s then the momentum of the ostrich is equal to

P=146*17=2482 kg.m/s

Therefore, the momentum of ostrich is equal to 2482 kg.m/s

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3 years ago

Velocity

morpeh [17]

Velocity is not changing.

Acceleration is zero.

Net force is zero.

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3 years ago

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You are driving your car, and the traffic light ahead turns red. you apply the brakes for 2.26 s, and the velocity of the car de

Lorico [155]

Let the initial velocity of the car be u.

Final velocity of the car (v) = 5.43 m/s

deceleration (a) = - 2.78 m/s^2

Time taken (t) = 2.26 s

Using the first equation of motion:

v = u + at

u = v - at

$u = 5.43 - (-2.78 \times 2.26)$

u = 5.43 + 6.28

u = 11.71 m/s

Let the car's displacement be x.

Using second equation of motion:

$x = ut + \frac{1}{2}at^2$

$x = 11.71 \times 2.26 - \frac{1}{2} \times 2.78 \times 2.26^2$

x = 26.4646 - 7.0995

x = 19.3651 meters

Hence, the displacement of the car is 19.36 meters

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3 years ago

in your own words provide two advantages of using meters as a measurement of length rather than old measurements of length such

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Answer:

it is accepted all over the world

it is more reliable than other kinds of measuring system

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4 years ago