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Evaluate (5.7×106 kg) × (6.3×10−2 m/s2) and express the answer in scientific notation.  

Average speed equals distance divided by time. On a journey to the Alpha Centauri star system, a space probe travels a distance of 4.12×1016 meters in 1.73×1010 seconds. (a) Find its average speed in meters per second. (b) How long did the journey take in years? Use 365.24 days per year. 2e-12%

Which one of the following quantities is NOT a vector?

A horse gallops a distance of 10 kilometers in a time of 30 minutes. It’s average speed is

An object dropped from the window of a tall building hits the ground in 12.0 s. If its acceleration is 9.80 m/s2, the height of the window above the ground is:

A ball thrown horizontally from a point 24 m above the ground, strikes the ground after traveling horizontally a distance of 18 m.  With what speed was it thrown?

  The average density of blood is 1.06 × 10 3   kg/m3  . If you donate a pint of blood to the Red Cross, what mass of blood have you donated, in grams? (1 pt = 1/2 L, 1 L = 1000 cm 3 )  

An electron can tunnel through an energy barrier with probability 0.0000000000375. (This is a concept used in quantum mechanics.) Express this probability in scientific notation.

100 mL is equivalent to which of the following?

If you are 5’10” tall, what is your height in meters? (1 in = 2.54 cm.)