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Bafana
Questions (5)
Traditional healers should be allowed to practice and prescribe medicine in hospitals and clinics
2 answers
1,050 views
A flying bat emits squeaks at a frequency of 80 MHz, if a stationary observer picks up the frequency of the squeaks as 78 MHz,
1 answer
723 views
1. An electric pump, used to obtain water from 20 metres below the ground, is marked 5000W.
a) If the pump operates as rated, how
0 answers
672 views
A girl of mass 50kg runs up a flight of stairs.After 10 minutes she is 250 metres above the ground. Determine her average power
2 answers
1,184 views
The depth of a body of water can be found by emitting sound pulses reflected from the bottom. If the time interval from emission
1 answer
445 views
