Average speed of the car
A car travels 40 kilometers at an average speed of 80 km/hr and then travels 40 kilometers at an average speed of 40 km/hr. the average speed of the car for this 80 km trip is:
a. 48 km/hr
b. 60 km/hr
c. 53 km/hr
d. 40 km/hr
e. 45 km/hr
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A plane traveling at 400 mph is flying with a bearing of 40 degrees. there is a wind of 50 mph from the south. if no correction is made for the wind, what are the final ground speed of the plane (treat each velocity as a vector)?
What is the difference between sterility and rna and dnaese free when talking about cryogenic storage tubes?
Calculate the energy in joules and calories required to heat 24.0g water from 20.0C to 27.7C
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You drop a single coffee filter of mass 1.7 grams from a very tall building, and it takes 52 seconds to reach the ground. In a small fraction of that time the coffee filter reached terminal speed. (a) What was the upward force of the air resistanc
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