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grin007 [14]
3 years ago
14

Which of the following would most likely cause a decrease in the quality supplied

Physics
1 answer:
soldier1979 [14.2K]3 years ago
4 0

AWhich of the following would most likely cause a decrease in the quantity supplied? A decrease in price.

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Answer:

D.Entropy tends to increase.

Explanation:

The second of thermodynamics states that the state of entropy of the entire universe,as an isolate system, will always increase over time

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Make a list of five materials or substances you use every day that are made from organic compounds. Write a minimum of one parag
Vaselesa [24]

1.)Baking powder NaHCO3; sodium bicarbonate Used for baking for cooking, releases CO2 in reaction with other ingredients.

2.)Detergent Sodium sulphate, sodium hydroxide and phosphatecompounds Used for washing clothes.

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5.)Vinegar C2H4O2

acetic acid, ethanoic acid

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6 0
3 years ago
A sand core used to form the internal surfaces of a steel casting experiences a buoyancy force of 225 n. the volume of the mold
pashok25 [27]

Newton’s second law gives us the relationship of force F, mass m and acceleration a. The formula is given as:

<span>F = m a                  --> 1</span>

However we also know that the relationship of mass m, density ρ, and volume V is:

<span>m = V ρ                 --> 2</span>

Therefore substituting equation 2 to equation 1:

F = ρ V a = ρ V g

where a is acceleration due to gravity, ρ is density of water and V is the volume of the casting, therefore:

F = (1x10^-3 kg/cm^3) (4840 cm^3) (9.8 m/s^2)

F = 47.432 kg m/s^2

F = 47.432 N

 

Going back to equation 1:

47.432 N = m (9.8 m/s^2)

m = 4.84 kg

 

<span>Hence the weight of the final casting is 4.84 kg</span>

5 0
4 years ago
Does the Hawaiian coral reef fish live in the sunlight zone?
ollegr [7]
Yes, Hawaiian Coral reef fish live in the sunlight zone or in other words the euphotic zone.
5 0
3 years ago
Read 2 more answers
A mass of 6 kg with initial velocity 16 m/s travels through a wind tunnel that exerts a constant force 8 N for a distance 1.6 m.
strojnjashka [21]

Answer:

D=99.4665307m \approx 99.5m

Explanation:

From the question we are told that

Mass  m=6kg

Velocity of mass  V_m=16

Force of Tunnel  F_t=8N

Length of Tunnel L_t=1.6

Height of frictional incline H_i=2.9

Angle of inclination  \angle =16 \textdegree

Acceleration due to gravity  g=9.8m/s^2

First Frictional surface has a coefficient  \alpha_1 =0.21\ for\ d_c=1

Second Frictional surface has a coefficient \alpha _2=0.1

Generally the initial Kinetic energy is mathematically given by

K.E=\frac{1}{2}mv^2

K.E=\frac{1}{2}(6)(16)^2

K.E=768

Generally the work done by the Tunnel is mathematically given as

w_t=F_t*d_t

w_t=8*1.6

w_t=12.8J

Therefore

Total energy\ E_t=Initial\ kinetic energy\ K.E*Work done\ by\ tunnel\ W_t

E_t=K.E+E_t\\E_t=768J+12.8J

E_t=780.8J

Generally the energy lost while climbing is mathematically given as

E_c=mgh

E_c=(6)(9.8)(2.9)

E_c=170.52J

Generally the energy lost to friction is mathematically given as

E_f=\alpha *m*g*cos\textdegree*d_c

E_f=0.21*6*9.8*cos16*1

E_f=11.86965942 \approx 12J

Generally the energy left in the form of mass Em is mathematically given as

E_m=E_t+E_c+E_f

E_m=(768J)-(170.52)-(12)

E_m=585.48J

Since

E_m=\alpha_2*g*m*d

Therefore

It slide along the second frictional region

D=\frac{585.46}{0.1*9.81*6}

D=99.4665307m \approx 99.5m

6 0
3 years ago
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