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Miri
Questions (4)
A bat flying at a speed of 5 m/s chases an insect flying in the same direction. If the bat emits a 40 kHz sound and hears the
1 answer
289 views
The vertical location of the tip of a clock’s second hand (y) relative to the clock’s center measured in centimetres is
1 answer
568 views
A man is standing 14 m away from the centre of a spinning wheel that is 4 m off the ground, spins at 4 rotations a second and
1 answer
314 views
Three quarters are tossed, and a tail appears on at least one of them. What is the probability that at least one head appears?
2 answers
1,062 views
