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Misha Larkins [42]

2 years ago

13

if the flower pot in problem 3 falls off the windowsill and falls 20 meters downwards(i.e., is 10 meters from hitting the ground

), what is its potential energy at that point

1 answer:

morpeh [17]2 years ago

8 0

Answer:

te energy is

Explanation:

4

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Place the yellow, 25g ball at 60 cm on the ramp. How far did the box move? Measure from the left side of the box.

Anna007 [38]

Answer: approximately 13-15 centimeters

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3 years ago

Temperature which is solid becomes a liquid

Brums [2.3K]

Answer:

The answer would be melting point.

Explanation:

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Your friend is bragging about his motorcycle. He claims that it can go from a stopped position to 50 miles per hour in three sec

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3 years ago

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Is this equation balanced? 2HCl + CaCO3 → CaCl2 + H2O + CO2

Serggg [28]

Answer:

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Explanation:

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7 0

3 years ago

A charged cloud system produces an electric field in the air near earth's surface. a particle of charge -2.0 × 10-9 c is acted o

defon

Part a)

Magnitude of electric field is given by force per unit charge

$E = \frac{F}{q}$

$E = \frac{4.3 * 10^{-6}}{2 * 10^{-9}}$

$E = 2150 N/C$

Part b)

Electrostatic force on the proton is given as

F = qE

$F = 1.6 * 10^{-19} * 2150$

$F = 3.44 * 10^{-16} N$

PART C)

Gravitational force is given by

$F_g = mg$

$F_g = 1.6 * 10^{-27}*9.8$

$F_g = 1.57 * 10^{-26} N$

PART d)

Ratio of electric force to weight

$\frac{F_e}{F_g} = \frac{3.44 * 10^{-16}}{1.57*10^{-26}}$

$\frac{F_e}{F_g} = 2.2 * 10^{10}$

7 0

3 years ago