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ratelena [41]
3 years ago
9

PLEAS HURRY :) 10 POINTS + BRAINLIEST TO FIRST CORRECT ANSWER

Physics
2 answers:
9966 [12]3 years ago
8 0

Answer:

They conduct thermal energy from inside the house and release it outside the house

stiks02 [169]3 years ago
3 0

Answer:

They conduct thermal energy from inside the house and release it outside the house. ... It reduces the amount of thermal energy that is transferred from outside to inside the container

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Amy is in-line skating. Her mass is 50 kg. She is rolling forward (north) on a flat section of road at 10 m/s. The rolling frict
Licemer1 [7]

Answer:

The right solution is "0.50 m/s²". A further explanation is provided below.

Explanation:

The given values are:

Mass,

m = 50 kg

Speed,

v = 10 m/s

Rolling friction acting backward (south),

f = 10 N

Air resistance acting backward (south),

F_T = 15 N

The total force acting will be:

⇒  F = -f-F

On substituting the given values, we get

⇒      =-10-15

⇒      =-25 \ N

Now,

⇒  a = \frac{F}{m}

On substituting the given values, we get

⇒     =\frac{-25}{50}

⇒     =-0.50 \ m/s^2

The horizontal acceleration will be "0.50 m/s²" because the (-)ve sign indicates it in south direction.

4 0
3 years ago
Which term describes an area of low density in a longitudinal wave?
LiRa [457]

Answer:

Explanation:

Low density is an area of rarefaction.

6 0
3 years ago
Read 2 more answers
During the spin cycle of your clothes washer, the tub rotates at a steady angular velocity of 31.7 rad/s. Find the angular displ
Crank

Answer:

\Delta \theta = 3116.11\,rad and \Delta \theta = 495.944\,rev

Explanation:

The tub rotates at constant speed and the kinematic formula to describe the change in angular displacement (\Delta \theta), measured in radians, is:

\Delta \theta = \omega \cdot \Delta t

Where:

\omega - Steady angular speed, measured in radians per second.

\Delta t - Time, measured in seconds.

If \omega = 31.7\,\frac{rad}{s} and \Delta t = 98.3\,s, then:

\Delta \theta = \left(31.7\,\frac{rad}{s} \right)\cdot (98.3\,s)

\Delta \theta = 3116.11\,rad

The change in angular displacement, measured in revolutions, is given by the following expression:

\Delta \theta = (3116.11\,rad)\cdot \left(\frac{1}{2\pi} \frac{rev}{rad} \right)

\Delta \theta = 495.944\,rev

6 0
3 years ago
A small satellite being designed requires a nitrogen storage tank to store propellant for the cold gas thruster used to maintain
ycow [4]

Answer ;

Minimum required volume = 0.635m3

Maximum internal pressure = 74.35bar

Explanation:

The detailed step by step calculation using the vanderwaal's equation of state for ideal gases is as shown in the attachment.

7 0
3 years ago
Suppose a 10 mL beaker and a 100 mL beaker are both filled with water, and that the water in both beakers is the same temperatur
Doss [256]

The correct choice is

b. the larger beaker of water contains more heat than the smaller beaker

Reason :

Heat is given as

Q = m c T

where Q = heat contained

m = mass of water

c = specific heat of water

T = change in temperature.

since the specific heat and temperature is same for both the beakers, we need to look at which beaker contains more amount of water. the larger beaker has more mass of water, hence heat contained in the larger beaker is greater.

7 0
3 years ago
Read 2 more answers
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