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3 years ago

T object]user: if you have a diagnostic x-ray, then you have been:

2 answers:

6 0

For the answer to the question above, X-rays are used to check for fractured bones, chest infections.
So the answer to the question above is the last one among the given question which is d. externally irradiated.
I hope my answer helped you.

swat323 years ago

3 0

Hello there.

T object]user: if you have a diagnostic x-ray, then you have been:

d. externally irradiated

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A car goes from rest to a velocity of 108 km/h north in 10s what is the car's acceleration in m/s2

fomenos

initial velocity of the car given as

$v_i = 0$

final velocity is given as

$v_f = 108 km/h$

as we know that

$1 km/h = 0.277 m/s$

now we can convert final speed into m/s

$v_f = 108 * 0.277 = 30 m/s$

now acceleration is rate of change in velocity

$a = \frac{v_f - v_i}{t}$

$a = \frac{30 - 0}{10}$

$a = 3 m/s^2$

so the acceleration of the car is 3 m/s^2

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3 years ago

What effect does an unbalanced force have on an object?

Mars2501 [29]

it either changes the direction of the object or it stops the object in motion.

5 0

3 years ago

Read 2 more answers

1 point

Sav [38]

Answer:

388.5J

Explanation:

Given parameters:

Weight = 70N

Height = 5.55m

Unknown:

Gravitational potential energy at the top of the ladder = ?

Solution:

The gravitational potential energy is the energy due to the position of the body.

Gravitational potential energy = Weight x height

So;

Gravitational potential energy = 70 x 5.55 = 388.5J

8 0

2 years ago

Which of the following is a metal? Calcium (Ca) Iron (Fe) Sodium (Na) all of these

ANTONII [103]

Iron (Fe) or at least it can be.

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3 years ago

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If a particle's position is given by x=4-12t+3t^2, where t is in seconds and x is in meters, what is its velocity at t=1 second?

andreyandreev [35.5K]

Answer:

v = -6m/s

Explanation:

$x=4-12t+3t^2$

$\frac{dx}{dt}=-12+6t$

For t = 1:

$\frac{dx}{dt}=-6$

3 0

3 years ago