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3 years ago

7

Each of the following would cause an increase in blood pressure except __________.

1 answer:

kicyunya [14]3 years ago

8 0

Answer:

an inhibitor of angiotensin II

Explanation:

Angiotensin, specifically angiotensin II binds to many receptors in the body to affect several systems. It can normally increase blood pressure by constricting the blood vessels but with the introduction of an inhibitor, it wouldn't bring about an increase in blood pressure.

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Which method would likely use less energy? (1) Pushing the heavy box at a slow, constant pace or (2) Pushing the heavy box in fa

MrMuchimi

1 would use less energy. Please vote my answer brainliest! Thanks.

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3 years ago

A tennis racquet swung with an angular velocity of 12 rad/s strikes a motionless ball at a distance of 0.5 m from the axis of ro

Anestetic [448]

Answer:

The linear velocity of the racquet at the point of contact with the ball is 6 m/s.

Explanation:

Given;

angular velocity of the racquet, ω = 12 rad/s

distance of strike, r = 0.5 m

The linear velocity of the racquet at the point of contact is given by;

V = ωr

V = (12)(0.5)

V = 6 m/s

Therefore, linear velocity of the racquet at the point of contact with the ball is 6 m/s.

8 0

3 years ago

On a very hot summer day, the rooms on the first floor of a house stay cooler than the rooms on the second. Which form of therma

saw5 [17]

Answer:

Convection causes warm air in your living space to rise. That air moves by conduction through the ceiling to the attic floor .

5 0

3 years ago

A particle that is moving along a straight line accelerates from 40 cm/s to 20 cm/s in 5.0 s and then has a constant acceleratio

Marrrta [24]

Answer:

Average speed, $v_{avg}=43.33\ \rm cm/s$

Explanation:

Given:

Initial speed, u=40 cm/s
final speed , v=20 cm/s
Time taken, t=5 s

<u>First case</u>

Using equation of motion we have

$2as=v^2-u^2\\2as=20^2-40^2\\as=-600\\$

Now using,

$v=u +at\\20=40+a\times5\\a=-4\ \rm cm/s^2$

now putting the value of a in first equation we get

$s=150\ \rm cm$

<u>Second case</u>

Acceleration $a=20\ \rm cm/s^2$

Time taken $t=4\ \rm s$

using equation of motion in one Dimension we have

$s=ut+\dfrac{at^2}{2}\\\\s=20\ties 4+\dfrac{20\times 4^2}{2}\\s=240\ \rm cm$

Average speed is equal to total distance travelled per unit total time taken

$v_{avg}=\dfrac{150+240}{5+4}\\v_{avg}=43.33\ \rm cm/s$

4 0

4 years ago

Read 2 more answers

A body is thrown vertically upwards, remaining 4s in the air. Calculate the maximum height that the body reaches.

zmey [24]

Answer:

20 m

Explanation:

Given:

v = 0 m/s

a = -10 m/s²

t = 4 s / 2 = 2 s

Find: Δy

Δy = vt − ½ at²

Δy = (0 m/s) (2 s) − ½ (-10 m/s²) (2 s)²

Δy = 20 m

3 0

3 years ago