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Nataliya [291]
3 years ago
11

Scientific endeavor is sometimes accompanied by negative tradeoffs. true or false???????????? :0

Physics
1 answer:
Ilia_Sergeevich [38]3 years ago
5 0


i think true 
false is false

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1500 kg car traveling at 15 m/s collides with a 500 kg moose which is at
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Answer:

the car will slow down due to the change in speed

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3 years ago
A jet aircraft is traveling at 262 m/s in horizontal flight. The engine takes in air at a rate of 85.9 kg/s and burns fuel at a
Fittoniya [83]

Answer:

F_T=60132.52N

P=15814852.76W

Explanation:

From the question we are told that

Velocity of aircraft  V=263m/s

Engine air intake rate \triangle M_a=85.9kg/s

Fuel burn rate  \triangle M_f =3.92kg/s

Velocity of exhaust gas V_e =921m/s

Generally the Mass change rate of Rocket is mathematically given by

 \triangle M = \triangle M_a+\triangle M_f

 \triangle M= 85.9+3.92

 \triangle M=89.82kg/s

Generally the Trust of the rocket is given mathematically by

 F_T=(\triangle M *V_e)-(dM_a/dt)*(V)

 F_T=(89.82 *921)-(85.9)*(263)

 F_T=60132.52N

Generally the Rocket's delivered power is mathematically given by

Delivered power P

 P=V*F_T

 P=263*60132.52N

 P=15814852.76W.

8 0
3 years ago
In order for a hurricane to form, the water temperature must be at least _____. A.65 °F B.70 °F C.80 °F D.100 °F
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The answer is c.) 80 degrees
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3 years ago
Brownian motion cannot be detected in colloids. True or false?
miskamm [114]
<span>Brownian motion is the random movement of colloidal particles suspended in a fluid. It is caused by random collisions of the molecules in the fluid medium. The particles in the solution or colloids are in constant random movement. A colloid has properties boundary to a homogenous and heterogeneous mixture. However in Brownian movement, the larger the size of a particle, the lesser its motion and the smaller the size of the particle, the higher is motion. Colloids in general have larger particle size and therefore it Brownian motion is sluggish. The statement is false.</span>
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3 years ago
An experiment measures the growth of crystals in a liquid solution aboard the space shuttle. A collection of bottles has the liq
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the control would be A. the bottle with 0% concentration, because you're not changing anything.

7 0
3 years ago
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