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Slav-nsk [51]
3 years ago
5

How do you calculate average speed?

Physics
2 answers:
Wittaler [7]3 years ago
8 0

Answer:

\huge \boxed{S=\frac{d}{t} }

\rule[225]{225}{2}

Step-by-step explanation:

Speed is the rate at which an object covers a distance in a period of time.

The formula to find speed is as follows:

\Longrightarrow \ \  \displaystyle \sf speed =\frac{distance \ travelled }{time \ taken}

\Longrightarrow \ \  \displaystyle S =\frac{d }{t}

You divide the distance travelled by the time taken to find the speed.

\rule[225]{225}{2}

Mila [183]3 years ago
4 0

Divide
       (the distance covered in some period of time)
by
       (the time taken to cover the distance).

The quotient is the average speed during that period of time.
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Explanation:

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A 2.2 kgkg block slides along a frictionless surface at 1.2 m/sm/s . A second block, sliding at a faster 4.0 m/sm/s , collides w
aleksklad [387]

Answer:

0.6kg

Explanation:

the unknown here is the mass of the second block

applying the law of the conservation of momentum

m₁v₁ + m₂v₂ = (m₁ + m₂) v₃

where m₁=mass of first block=2.2kg

m₂=mass of colliding block= ?

v₁= velocity of first block=1.2m/s

v₂=velocity of colliding block=4.0m/s

v₃= final velocity of combined block=1.8m/s

applying the formula above

(2.2 × 1.2) + (m₂ × 4) = (2.2 + m₂) × 1.8

2.64 + 4m₂ = 3.96 + 1.8m₂

collecting like terms

4m₂ - 1.8m₂ = 3.96 - 2.64

2.2m₂=1.32

divide both sides by 2.2

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4 0
3 years ago
Which of these results in kinetic energy of an object? (1 point)
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A styrofoam container used as a picnic cooler contains a block of ice at 0°C. If 325 g of ice melts in 1 hour, how much heat ene
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Explanation:

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221.29 Watts

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