Tuition Centre Singapore A Level Physics Tuition – Dynamics and Forces

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Tuition Centre Singapore A Level Physics Tuition – Dynamics and Forces

Water is pumped through a hosepipe at a rate of 90 kg per minute. It emerges from the hosepipe horizontally with a speed of 20 m s–1.

Which force is required from a person holding the hosepipe to prevent it moving backwards?

A 30 N                          B 270 N                        C 1800 N                      D 10800 N

Answer : A

Please contact Mr Ong @ 9863 9633 or Angie @ 96790479 if you need help in JC/A lvel H2/H1 Physics Tuition