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nikitadnepr [17]
3 years ago
7

1.A boy runs at a speed of 3.3 m/s straight off the end of a diving board that is 3 meters above the water

Physics
2 answers:
Whitepunk [10]3 years ago
5 0

Answer:45

Explanation:

serious [3.7K]3 years ago
5 0
I think that it is 3 for the distance
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KIM [24]
The answer will be D
3 0
3 years ago
PLEASE HELP!! WILL GIVE POINTS
AURORKA [14]

Answer:

49 kg is the mass of the couch.

Explanation:

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9800 = m * 10 * 20

9800 = 200m

m = (9800/20) = 49 m

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3 years ago
Substance A has a heat capacity that is much greater than that of substance B. If 10.0 g of substance A initially at 30.0 ∘C is
astra-53 [7]

Explanation:

In a heat exchange, the temperature change is inversely proportional to the specific heat capacity. Since substance A has a heat capacity that is much greater than that of substance B, the temperature change of substance A will be less than the temperature change of substance B. Therefore, the final temperature is closer to that of 30^\circ C than 80^\circ C.

8 0
2 years ago
suppose that during any period of 1/4 second there is one instant at which the crests or troughs of component waves are exactly
ivanzaharov [21]
The correct answer for the question that is being presented above is this one: "(a)4." Suppose that during any period of 1/4 second there is one instant at which the crests or troughs of component waves are exactly in phase and maximum <span>reinforcement occurs, in 1 second, there will be 4 beats.</span>
8 0
3 years ago
Read 2 more answers
I need help ASAP please :)
rusak2 [61]

Density offers a convenient means of obtaining the mass of a body from its volume or vice versa; the mass is equal to the volume multiplied by the density (M = Vd), while the volume is equal to the mass divided by the density (V = M/d).

M = V d

M = 1.4 * 2 = 2.8 kg

7 0
2 years ago
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