If a ball is thrown in the air starting at position a (fromthe
ground) with an initial velocit...
If a ball is thrown in the air starting at position a (fromthe
ground) with an initial velocity of 80 m/s and given thatthe time
it takes to travel to point b is t=3s, what is thetime,
displacement and velocity at positions b (half way up in theair), c
(at max height) and d (back on ground).
Answers: 3
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Determine the maximum r-value of the polar equation r =3+3 cos 0
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Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.
Answers: 1
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Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.
Answers: 3
Physics, 22.06.2019 11:30
A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
Answers: 2
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