Monday we talked about C.E.A. Winslow a public health leader in the 1920s. What did he say about the residents of New Your City between the years of 1880 and 1920?
What will be an ideal response?
Between the years of 1880 and 1920, C.E.A. Winslow observed an incredible 50% increase in life expectancy of the citizens of New York City (increasing from 36 to 53 years).
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Is it possible for an object to have an acceleration of zero and a numerical value for velocity? Justify your answer with an example
Can metamorphism, caused solely by elevated temperature, occur without the presence of magma? Why or why not?
What will be an ideal response?
A 3.0-kg mass moving in the positive x direction with a speed of 10 m/s collides with a 6.0-kg mass initially at rest. After the collision, the speed of the 3.0-kg mass is 8.0 m/s, and its velocity vector makes an angle of 35° with the positive x axis. What is the magnitude of the velocity of the 6.0-kg mass after the collision?
A. 2.2 m/s B. 2.9 m/s C. 4.2 m/s D. 3.5 m/s E. 4.7 m/s
Which of the following is true of the Sun?
A) It is a self-luminous body of hot gas. B) It is the first planet of the Solar System. C) It shines by reflecting light from the Moon. D) It is the biggest star in the Universe.