A 2.00 kg mass is attached to a spring with a spring constant of ...

[skymedlock]

A 2.00 kg mass is attached to a spring with a spring constant of 48.0 N/m. If the maximum speed of the mass in this system is 1.14 m/s, what is the energy of the quanta of energy in this system?
 
  A) 2.23  10-34 J
  B) 6.63 J
  C) 6.63  10-34 J
  D) 5.17 J
  E) 5.17  10-34 J

Question 2

A boy kicks a football from ground level with an initial velocity of 20 m/s at an angle of 30 above the horizontal. What is the horizontal component of its velocity at the highest point of its trajectory?
 
  A) 9.8 m/s
  B) 17 m/s
  C) 4.9 m/s
  D) 8.7 m/s
  E) 0 m/s

[Mollythedog]

Answer to Question 1

E

Answer to Question 2

B

[skymedlock]

Gracias!

[recede]

TYSM