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shtirl [24]
3 years ago
6

So I got a new fit I had to try it on

Physics
1 answer:
diamong [38]3 years ago
8 0

Answer:

mmm No this is off of Pinte-rest.

Explanation:

do i need to goo-gle ima-ge this next i think i do

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A 4800 Watt heater is supposed to be plugged into a 120 volt outlet to work correctly. If the heater was plugged into a 90 volt
dedylja [7]

Answer:

3600

Explanation:

90 of 120 is 3/4 so 4800 - 1200 is 3600.

3 0
3 years ago
A boat having a length 3m and breadth 2m is floating on a
brilliants [131]

Answer:

60 kg

Explanation:

The man's weight is equal to the weight of the water he displaces.

mg = ρVg

m = ρV

m = (1000 kg/m³) (3 m × 2 m × 0.01 m)

m = 60 kg

The man's mass is 60 kg.

3 0
3 years ago
The relationship between energy (E), power (P), and time (t) is
NemiM [27]

Answer:

The avarage power of the body is 96.898 watts.

Explanation:

We must notice that given definition of power implies a constant consumption of energy, so that we should assume that energy consumption is constant. A Calorie is equal to 4186 joules. If we know that E = 2000\,Cal and t = 1\,day, the power of body, measured in watts, is:

P = \frac{(2000\,Cal)\cdot \left(4186\,\frac{J}{Cal} \right)}{(1\,day)\cdot \left(24\,\frac{h}{day} \right)\cdot \left(3600\,\frac{s}{h} \right)}

P = 96.898\,W

The avarage power of the body is 96.898 watts.

3 0
4 years ago
Atoms with the same atomic number but different atomic mass are called
Alexxx [7]
<span>Atoms with the same atomic number but different atomic mass are called:

<span>Isotopes</span>
</span>
4 0
3 years ago
Read 2 more answers
t requires1200 kg of coal to produce the energy needed to make 1.0 kg of aluminum metal. If a single soda can requires approxima
Lesechka [4]

Answer:

The mass of coal is 108 kg.

Explanation:

Given that,

Energy of coal = 1200 kg

Mass of aluminum = 1.0 kg

Energy required for single soda can = 15 g of Al

Energy required for 6 pack of cans = 6\times15=90\ g\ of\ Al

We need to calculate the mass of coal

Using formula of mass

\text{mass of coal}=\dfrac{\text{Energy of coal}\times\text{Energy required for 6 pack of cans}}{\text{Mass of aluminum}}

Put the value into the formula

m=\dfrac{1200\times90\times10^{-3}}{1.0}

Put the value into the formula

m=108\ Kg

Hence, The mass of coal is 108 kg.

6 0
3 years ago
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