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3 years ago

Review the vocabulary associated with nuclear and wave therapies

Physics

1 answer:

tatiyna3 years ago

5 0

Answer:

Sonography- using sound waves to image internal structures

Brachytherapy- Therapy where radiatio is placed inside or next to the diseased area

lithiotripsy- The physical breakage of stones by the application of pulsed ulrasound

radiopharmaceuticals- internally delivered and targeted ionizing radiation

Explanation:

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Afootball is kicked at avelocity of 15 m/s at angle of 25 degree to the horizontal. What is the total flight time

Advocard [28]

Answer:

the total flight time is 1.29 s

Explanation:

The computation of the total flight time is given below:

The initial velocity is 15 m/s = v

And, the angle from horizontal is $\theta = 25\ degrees$

Now the total time is

$t = \frac{2\times v\times \sin \theta }{g} \\\\= \frac{2\times 15\times sin 25^{\circ}}{9.8} \\\\= 1.29 s$

Hence, the total flight time is 1.29 s

3 0

2 years ago

A 75.0-kg cross-country skier is climbing a 3.0° slope at a constant speed of 2.00 m/s and encounters air resistance of 25.0 N.

sweet-ann [11.9K]

Answer:

a) 12.01 W

b) 63.506 N

c) 11.82 s

Explanation:

Given data:

mass = 75 kg

slope of inclination = 3 degree

speed of skier is 2.00 m/s

air Resistance = 25 N

a) From the given information we have following relation

$F_n = mgsin\theta + F_a$

$F_n = 75\times 9.81 sin 3 + 25 = 63.506 N$

Power output

$P =F_n \times v$

$P = 63.506 \times 2 = 127.01 W$

b) average force can be calculate as

$F_n = mgsin\theta + F_a$

$F_n = 75 \times 9.81 sin 3 + 25$

F_n = 63.506 s

force of acceleration is f = ma

solving for acceleration

$a = \frac{F}{m}$

$a = \frac{63.506}{75}$

a = 0.846 m/s^2

we know acceleration is given as $a =\frac{v -u}{t}$

solving for time t

$t = \frac{v-u}{a}$

$t =\frac{10-0}{0.846}$

t = 11.82 s

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2 years ago

One of the main differences between the intaglio and the relief printing processes is that with intaglio the ink ________ the su

TEA [102]

The answer to this question is "LIES BELOW THE SURFACE" happens or occurs. When one of the main differences between the two which is the Intaglio and the other one is the relief printing processes is that with the Intaglio the ink LIES BELOW the surface of the printing plate.

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3 years ago

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Reptile [31]

C is not mechanical weathering. It is chemical weathering.

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3 years ago

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At a certain place, Earth's magnetic field has magnitude B =0.703 gauss and is inclined downward at an angle of 75.4° to the hor

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