What is the mass of a ball moving at 3 m/s when its momentum is 48 kg?m/s?
A. 12 kg.
B. 144 kg.
C. 16 kg.
D. 4 kg.
Answer: C
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Answer the following statement true (T) or false (F)
An evolutionary trend in hoofed animals in which the premolars become more like molars,
giving the animals a continuous series of grinding teeth:a. photosynthesis d. sublimation b. accretion e. molarization c. mitosis
One of the greatest risks of diarrheal disease outbreaks in industrialized countries, such as the Salmonella outbreak in the U.S. in 2014, results from
A) poorly trained public health inspectors in the food industry. B) contamination in the mass production of food. C) the increased demand for organic products. D) the addition of preservatives in foods.
This figure shows the geologic timescale. Which period listed below would be part of the Paleozoic?
A. Cambrian B. Paleogene C. Neogene D. Triassic E. Jurassic