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fredd [130]
2 years ago
7

How many minutes in 1 hour

Physics
2 answers:
fgiga [73]2 years ago
8 0

Answer:

60

Explanation:

Every 60 minutes is an hour

Alexeev081 [22]2 years ago
8 0

Answer:

60; minute in 1 HR is the answer

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Propose a hypothesis for how the position of the ball will affect the amount of its gravitational pull energy
Ray Of Light [21]

<em><u>throwing a ball up initially has a lot of kinetic energy because it is moving upwards ( kinetic energy is energy which a body possesses by virtue of being in motion.) this all then get converted to gravitational potential energy, and for a moment it is stationary before it begins to fall again.  by the time it has returned again, all the gravitational potential energy has turned back into kinetic.</u></em>

4 0
2 years ago
The d subshell can hold up to 10 electrons in an atom.<br> true or false
Lady_Fox [76]

Answer:

true

Explanation:

5 0
3 years ago
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1 point
Novay_Z [31]

Answer:

Explanation:

Not sure what your options are but anything that says something like

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4 0
2 years ago
If I wanted to generate a maximum emf of 20 V, what angular velocity (radians/sec, aka Hz) would be required given a circular co
sergij07 [2.7K]

Answer:

Angular velocity, \omega=35.36\ rad/s

Explanation:

It is given that,

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Radius of the coil, r = 20 cm = 0.2 m

Number of turns in the coil, N = 500

Magnetic field in the coil, B=9\times 10^{-3}\ T

The angle between the area vector and the magnet field vector varies from 0 to 2 π radians. The formula for the maximum emf generated in the coil is given by :

\epsilon=NBA\omega

\omega=\dfrac{\epsilon}{NBA}

\omega=\dfrac{20\ V}{500\times 9\times 10^{-3}\ T\times \pi (0.2\ m)^2}

\omega=35.36\ rad/s

So, the angular velocity of the circular coil is 35.36 rad/s. Hence, this is the required solution.

6 0
3 years ago
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kozerog [31]
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</span>
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3 years ago
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