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2 years ago

7

A student compresses the spring in a pop up toy .020 meter if the sprinf has a spring constant of 340 newtons per meter how much

energy is being stored in the spring

1 answer:

vodomira [7]2 years ago

5 0

The answer is letter c-0.068 j

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Someone help me please

ivanzaharov [21]

C. cooked noodles and water
because noodles are long and water has no shape or size.
if you have any problems with this answer,
comment and I will fix it.
Thank s!

6 0

2 years ago

How efficient is a pulley system if it enables you to lift a 600.0 Newton engine 0.600 meters if you exerted 35.7 Newtons of for

muminat

Answer:

η = 0.882 = 88.2 %

Explanation:

The efficiency of the pulley system can be given as follows:

$\eta = \frac{W_{out}}{W_{In}}\\\\$

where,

η = efficiency of pulley system = ?

W_out = Output Work = (600 N)(0.6 m) = 360 J

W_in = Input Work = (35.7 N)(11.43 m) = 408.051 J

Therefore,

$\eta = \frac{360\ J}{408.051\ J}$

<u>η = 0.882 = 88.2 %</u>

4 0

2 years ago

The label has been scratched off a tuning fork and you need to know its frequency. From its size, you suspect that it is somewhe

bonufazy [111]

Answer:

255 Hz

Explanation:

With 5 beats per second with the 250 Hz fork, we know the unknown fork is either 250 - 5 = 245Hz or 250 + 5 = 255 Hz

With 15 beats per second with the 270 Hz fork, we know the unknown fork is either 270 - 15 = 255Hz or 270 + 15 = 285 Hz (most people would have a hard time discerning 15 beats per second... 5 per second is hard enough)

As 255 is the common frequency, it is the one selected.

3 0

2 years ago

What causes competition among organisms?

dimaraw [331]

Both organisms attempt to use the same limited sources

5 0

2 years ago

A battery of voltage 9.0 V produces a current of 0.0175 A across a circuit. What is the resistance of the circuit?

Natalka [10]

Answer:

$514.288$

Explanation:

V=IR

R=V/I

R=9/0.0175

8 0

2 years ago