MATH
An object is fired vertically upward with an initial speed of 68.6 meters per second. After t seconds, the height is shown by y = 4.9t^ + 68.6 t meters. Given that this object has an initial speed of 68.6 m/s, what is the maximum height it will reach?
biology
need help with a paper from news article on human biology using scientific method?
Pre-Algebra 2
write a rule for the linear function in the table x 1, 2,3,4, f(x) -7, -10,-13,-16
acids
Which of the following bases is the weakest? (CH3)2NH , Kb = 5.1 x 10–4 ClO–, Kb = 2.9 x 10–7 SO42–, Kb = 8.3 x 10–13
applied physics
Calculate the magnitude of the torque produced by two 25N forces that are 3m apart and in opposite directions
math
simplify 15xy/35x
Physics
Lake Erie contains about 4.8 x 10^17 grams of fresh water. Assume that the lake has frozen solid and that the ice starts off at -3 C. How much energy would the lake need to absorb from the Sun to cause it to evaporate completely? Each gram of water will require 721.5 calories ...
Physics
What is the magnitude of buoyant froce acting on a 720 cm^3 toy submarine foating in fresh water? (d water=1 g/cm^3)
Physics
A spring and block is set up on frictionless tabletop. The 30N/m spring is compressed 16 centimeters and released. What is the maximum speed the 2.0 kilogram block will reach?
Physics
Lake Erie contains about 4.8 x 10^17 grams of fresh water. Assume that the lake has frozen solid and that the ice starts off at -3 C. How much energy would the lake need to absorb from the Sun to cause it to evaporate completely? Each gram of water will require 721.5 calories ...
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