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Shkiper50 [21]
3 years ago
7

1. A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope, its

Physics
2 answers:
Amanda [17]3 years ago
5 0

Answer:tryna get points don't mind me

Explanation:

Bas_tet [7]3 years ago
4 0

Answer:

6 m/s²

Explanation:

Average acceleration = change in velocity / change in time

a = Δv / Δt

a = (22 m/s − 4 m/s) / 3 s

a = 6 m/s²

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When you drink cold water, your body must expend metabolic energy in order to maintain normal body temperature (37° C) by warmi
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Answer:

7.72 Liters

Explanation:

normal body temperature = T_body =37° C

temperature of ice water = T_ice =0°c

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heat lost by body is Qwater =mc_{water} ΔT

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n×Q_{water} =Q_{walk}                                                                        n= Q_{walk}/ Q_{water}

= 286×4186J/154.882×10^3 J

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