4 years ago

What are the two factors that affect the period of a pendulum?

1 answer:

3 0

The two factors that affect the period of a pendulum are the length of the string and the distance in which the pendulum falls.

Hope this helps! I would greatly appreciate a brainliest! :)

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A tennis ball is hit into the air with a racket. When is the balls kinetic energy the greatest?

madam [21]

Answer:

Kinetic energy is maximum when the player hits the ball.

Explanation:

Kinetic energy $=\frac{1}{2} mv^2$ , where m is the mass and v is the velocity.

So kinetic energy is proportional to square of velocity.

Velocity is maximum when the player hits the ball.

So kinetic energy is maximum when the player hits the ball.

3 0

3 years ago

what is the gravitational potential energy of a 150-kg object that is suspended 5-m above the earth's surface

77julia77 [94]

150x5x9.7(gravity on earth)=7275

7 0

3 years ago

Please help with this :(

Rainbow [258]

Answer:

I don't really know but i have an idea

Explanation:

so acceleration means: increase in the rate or speed of something.

so just a head start.

your welcome!!

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3 years ago

A step-down transformer has 2500 turns on its primary and 5.0 x 10' tums on its secondary. If the potential difference across th

Brilliant_brown [7]

Answer:

I dont know sorry

Explanation:

hehe

4 0

3 years ago

What is the kinetic energy of a 0.135 kg baseball thrown at 40 m/s

Ronch [10]

KE = 1/2 * m * v^2
KE = 1/2 * 0.135 * 40^2
KE = 1/2 * 0.135 * 1600
KE = 108 J

4 0

3 years ago