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Arlecino [84]
3 years ago
8

L 1.1.4 Quiz: Wave Interactions

Physics
1 answer:
sukhopar [10]3 years ago
5 0
I think the answer is c.
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A car accelerates from rest at a rate of 3 m/s² for 4 seconds. How far did the car travel?
Gnom [1K]
Distance= distance(initial)+v(initial)*t+0.5at^2
D=0+0*4+0.5*3*4^2
D=24 m
4 0
3 years ago
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The activation energy for the isomerization reaction of CH3NC in Problem 14 is 161 kJ mol 1, and the reaction rate constant at 6
astraxan [27]

Answer:

Explanation:

Below is an attachment containing the solution to the question.

5 0
3 years ago
Evaporation only occurs at the surface of a liquid
Veseljchak [2.6K]

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8 0
4 years ago
A cannonball is fired at a 45.0° angle and an initial velocity of 670 m/s. Assume no air resistance. How long until the cannonba
Naddik [55]

Answer:

96.7 s

Explanation:

Time of flight in projectile can be calculated thus:

T = 2 × u × sin ϴ/ g

Where;

T = time of flight (s)

u = initial velocity (m/s)

ϴ = Angle of projectile (°)

g = acceleration due to gravity (9.8m/s²)

Based on the provided information; u = 670m/s, ϴ = 45°

Hence, using T = 2.u.sin ϴ/ g

T = 2 × 670 × sin 45° ÷ 9.8

T = 1340 × 0.7071 ÷ 9.8

T = 947.52 ÷ 9.8

T = 96.68

T = 96.7s

5 0
3 years ago
Please help
cupoosta [38]
I definitely agree with choise that you consider to be as a correct one. I am pretty sure that prganism is correct because this is a unit which ebrases all the mentioned points. And in simple words, the rest of options represent collective objects but you have to answer with sole one. Hope you find it helpful.
8 0
4 years ago
Read 2 more answers
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