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mr_godi [17]
4 years ago
9

What is the melting point of platinum?

Physics
2 answers:
olga_2 [115]4 years ago
7 0
<span>3,215°F

that is the answer

</span>
Kazeer [188]4 years ago
5 0
3,215 degrees Fahrenheit
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A 75.0 W bulb is connected to a
adoni [48]

Answer:

Explanation:

W = 75 watts

V = 110 volts

Formula

W = V * I

Solution

75 = 110 * I          Divide by 110

75 / 110 = I

I = 0.6818 Amperes

6 0
2 years ago
what distance is a book from the floor if the book contains 196 joules f potential energy and has a mass of 5 kg?
AleksAgata [21]
E=mgh.   196=5kg*9.81m/s^2*h.  So h=196/(5*9.81)=4m
5 0
4 years ago
A cylinder that is 15 cm tall is filled with water. If a hole is made in the side of the cylinder, 4.0 cm below the top level. A
olga55 [171]

Answer:

About 13 cm

Explanation:

We are given that

Length of cylinder,l=15 cm=15\times 10^{-2} m

1 m=100 cm

h=4 cm=\frac{4}{100}=0.04 m

Horizontal velocity of the existing water stream=v=\sqrt{2gh}

Where g=9.8m/s^2

Using the formula

v=\sqrt{2\times 9.8\times 0.04}=0.885m/s

h'=l-h=15-4=11 cm=\frac{11}{100}=0.11 m

Initial velocity of water stream,u=0

t=\sqrt{\frac{2h'}{g}}=\sqrt{\frac{2\times 0.11}{9.8}}=0.15 s

Distance, d=vt

Using the formula

d=0.885\times 0.15=0.133 m

d=0.133\times 100=13.3 cm\approx 13 cm

6 0
3 years ago
Which best describes the current atomic model?
Lorico [155]
<span>A: It is not an exact representation of the atom, but is close enough to be very useful.

Hope this helps!</span>
3 0
3 years ago
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A solar-powered car is traveling at constant speed around a circular track. what happens to the centripetal acceleration of the
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The centripetal accelaration is increased by a factor of 4
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4 years ago
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