A car wash nozzle directs a steady stream of water at 1.5 kg/s, ...

[Shelles]

A car wash nozzle directs a steady stream of water at 1.5 kg/s, with a speed of 20 m/s, against a car window. What force does the water exert on the glass? Assume the water does not splash back.
 a. 30 N
  c. 300 N
  b. 45 N
  d. 440 N

Question 2

Electrons in a particle beam each have a kinetic energy of 3.2  10-17 J. What is the magnitude of the electric field that will stop these electrons in a distance of 0.05 m? (e = 1.6  10-19 C)
 a. 2000 N/C
  c. 200 N/C
  b. 4000 N/C
  d. 1000 N/C

[ryansturges]

Answer to Question 1

A

Answer to Question 2

B

[Shelles]

Thank you!

[ryansturges]

Always glad to help...