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Author Question: A mass of 1.0 kg is pushed against a spring with a spring constant of 25 N/m. As a result, the ... (Read 33 times)

mp14

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on: Jul 29, 2018
A mass of 1.0 kg is pushed against a spring with a spring constant of 25 N/m. As a result, the spring is compressed by 20 cm. The mass is then released. What is the amount of work required to compress the spring?
 
  What will be an ideal response?

Question 2

You drive 6.00 km at 50.0 km/h and then another 6.00 km at 90.0 km/h. Your average speed over the 12.0 km drive will be
 
  A) greater than 70.0 km/h.
  B) equal to 70.0 km/h.
  C) less than 70.0 km/h.
  D) exactly 38.0 km/h.
  E) cannot be determined from the information given, must also know directions traveled


lin77x

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Reply #1 on: Jul 29, 2018
Answer to Question 1

0.50 J

Answer to Question 2

C


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mp14

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Reply #2 on: Jul 29, 2018
TY


lin77x

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Reply #3 on: Jul 29, 2018
You're welcome


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