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FinnZ [79.3K]
3 years ago
14

The belief that race indicates certain traits and capacities and that one's own race is superior is called

Physics
1 answer:
EleoNora [17]3 years ago
7 0
The answer is RACISM.
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An ice cube floats in a glass of water. as the ice melts, what happens to the water level?
Norma-Jean [14]
The water level rises, because ice is made of water
3 0
3 years ago
A machine whose efficiency is 75% is used to lift a load of 100m.calculate the effort put into the machine if it has a velocity
aliina [53]

Explanation:

M.A = load / Effort

efficiency = M.A/V.R X 100

75 = M.A / 4 X 100

75 = 25 X M.A

M.A = 75/25 = 3

M.A = load / effort

3 = 100/E

E = 100/3 = 33.333

8 0
3 years ago
According to boyle’s law, the volume of a gas is inversely proportional to its pressure if the?
Andru [333]
<span>According to boyle’s law, the volume of a gas is inversely proportional to its pressure if the "Temperature keep constant"

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3 0
3 years ago
Read 2 more answers
How do you score a goal in team handball ?
nata0808 [166]

Answer:a goal is scored by throwing the ball into the goal post and is confirmed by deciding that’s if the ball has hit the tape mark or not

Explanation:

7 0
3 years ago
2 kg<br> Use 10 m/s2 for g
Iteru [2.4K]

Answer:

See below

Explanation:

At point A    the PE = mgh = 2 * 10 * 1 = 20 J

  at point B, all of the PE , 20 J , is converted to Kinetic Energy

KE = 1/2 m v^2

20 = 1/2 (2)(v^2 )

20 = v^2     v = sqrt 20 = 4.47 m/s

for the friction part

 vf = vo t  + 1/2 a t^2      vf = final velocity = 0 (stopped)

                                       vo = original velocity = 4.47 m/s  

                                         a = -1 m/s^2

  0 = 4.47 t + 1/2 (-1) t^2

            - .5t^2  + 4.47 t = 0

                 t ( -.5t+ 4.47) = 0    shows t =  4.47/.5 = 8.9 seconds

6 0
2 years ago
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