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deff fn [24]
3 years ago
12

When you float in fresh water, the buoyant force that acts on you is equal to your weight. When you float higher in the denser w

ater of the Dead Sea, the buoyant force that acts on you is:_______.a) greater than your weight.
b) less than your weight.
c) equal to your weight.
Physics
1 answer:
netineya [11]3 years ago
7 0
<h2>The correct "option is (b) "</h2>

Explanation:

  • On the increase in the density of the water, the buoyant force acting on the body weight is less than the body weight.
  • In the dead sea, the water is saline due to the presence of salt in the water which increases the density of the water. Thus, the force acting on the body is less than the bodyweight which results in the sinking of the body.
  • Hence, the correct option is (b) that is "less than your weight".
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A jet airliner moving initially at 504 mph (with respect to the ground) to the east moves into a region where the wind is blowin
adelina 88 [10]

Answer

given,

intial velocity = 504 mph

wind speed = 219 mph

at an angle of 29◦

from the data

 The resultant velocity =

V = V_x \hat{i} + V_y\hat{j}

 V = (504 + 219 cos 29^0 ) \hat{i} +(219 sin 29^0 )\hat{j}

 V = 695.54\hat{i} + 106.17 \hat{j}

the magnitude of velocity

V = \sqrt{695.54^2+106.17^2}

V = 703.59 m/s

direction

tan θ =  \dfrac{106.17}{695.54}

θ = 8.676°

8 0
4 years ago
WILL GET BRAINLIEST IF CORRECT!!!!!!!
fredd [130]

Answer:

The answer is letter B, absorb.

Explanation:

Heat travels through three different ways: radiation,conduction and convection.

Radiation- this happens when heat moves as energy waves (infrared waves) directly from its source to something.

Conduction- heat passes directly from one object to another through the touching of surfaces.

Convection- this occurs when warmer areas of a liquid or gas rise to cooler areas in the liquid or gas.

The transfer of heat in the situation above is an example of "thermal radiation." The campfire carries light energy through the fire. These consists of electromagnetic waves (most of these are infrared light). These waves (radiation) carry energy, which is then converted to heat once it hits another object that absorbs it. In the case above, once the hands absorbs the energy, it then warms up. This happened because the hands are placed <u><em>near the campfire.</em></u> Placing the hands near the campfire is important because air is a poor thermal conductor.

Thus, the answer above is letter B, absorb.

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true

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