An ostrich has a mass of 135 kg. It is running with a velocity of 16.2 m/s north. What is its momen-tum? Show your work.

How to tell if a molecule is polar or nonpolar with electronegativity

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction