A block slides down a frictionless inclined ramp and experiences ...

[Alygatorr01285]

A block slides down a frictionless inclined ramp and experiences no significant air resistance. If the ramp angle is 17.
 
  0 above the horizontal and the length of the surface of the ramp is 20m find the speed of the block as it reaches the bottom of the ramp, assuming it started sliding from rest at the top.
  A) 7.57 m/s B) 19.6 m/s C) 114 m/s D) 10.7 m/s

Question 2

In its monthly bill, the electric company charges you primarily for
 
  A) the useful energy output that all your electric devices produce during the month.
  B) the number of cabbages you consume during the month.
  C) the electric power you consume during the month.
  D) the electric energy you consume during the month.
  E) the electric force you consume during the month.

[snackralk]

Answer to Question 1

D

Answer to Question 2

D

[Alygatorr01285]

Gracias!

[Viet Thy]

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