What would most likely cause the future acceleration of the expansion of the universe?
O
o
o
radiation from the Sun
the existence of background radiation
the continued existence of dark energy
light shifts identified by the Doppler effect
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Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth