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sergey [27]
3 years ago
9

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

rgy per second is passing through the walls of the container? The heat of fusion of ice is 3.33 x 10^5 J/kg. Answer in units of W.
Physics
1 answer:
Sauron [17]3 years ago
8 0

Answer:

30.0625 W

Explanation:

325 g/h   x    (1h x 1kg)/(3600s x 1000g)   x   3,33 x 10^5 J/Kg = 30.0625 J/Kg = 30.0625 W

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yuradex [85]

Answer:

9.8N

Explanation:

Here we can get gravitational acceleration according to the place where object is placed by bellow equation

g = GM/R²

g - Gravitational Acceleration

G - Gravitational constant (6.67×10-11)

R - Distance ( Radius )

g = 6.67 × 10-11 × 1024 /(6.37×106)²

g = 9.8 m/s²

There for

Weight = Mass × Gravitational acceleration

= 1×9.8

= 9.8 N

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3 years ago
Facts about river deltas
ivolga24 [154]
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3 years ago
A construction worker puts 20J of energy in to one strike of his hammer on the head of a nail. The energy transferred to driving
Slav-nsk [51]

Answer:

efficiancy=40 percent

Explanation:

efficiency=energy output/energy input×100

efficiancy=8J/20J×100

efficiancy=0.4×100

efficiancy=40 percent

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3 0
3 years ago
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Which measurement tool is used to find the volume of a small piece of granite? Select one: a. thermometer b. metric ruler c. gra
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Answer:

Explanation:

c. graduated cylinder

3 0
3 years ago
one car accelerates at half the rate of another how much longer does it take the first car to travel a quarter mile
Orlov [11]

Answer:

t=1/4v1

Explanation:

Given data

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Speed =v1

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Speed =v1/2

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v1=1/4/t

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7 0
3 years ago
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