The velocity of Desmond's car changes from 20 meters/second to 10 meters/second. The change happens in 5 seconds. What's the acceleration of the car?

a. 4 m/s2

b. 2 m/s2

c. - 2 m/s2

d. - 4 m/s2

A cylindrical shaped vase has a radius of 13 cm and a height of 27 cm. a. how many liters of water would it take to completely fill the vase?

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A piece of metal with a mass of 22 g at 92 °c is placed in a calorimeter containing 53.7 g of water at 21 °c. the final temperature of the mixture is 55.3 °c.

Which of the following would be a good question that could be scientifically investigated? what is the best advice a parent can give a child what is the most appropriate number of dogs per household do cherry popsicles freeze slower than orange

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Sound travels 2146 m through a material in 1.4 seconds. What is the material?

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What is acceleration? a. change in velocity/change in time b. change in distance/change in time c. change in mass/change in volume d. change in pressure/change in time