Question 6 2 pts
A person stands at the top of a tall skyscraper above the street. They throw a penny
downwards with a speed of 1 m/s. It takes 13.9 s to fall to the ground (x = 0 m). Determine
how tall the skyscraper is. HINT: Be careful with positives/negatives!
g = 10 m/s2

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

The chart shows the costs and shipping times for materials that a company needs to build a new product. which describes the best trade-off if the company needs to start building their product within the next two years? they should order the domestic materials because it is always best to choose the fastest shipping time. they should order the imported materials because it is always best to choose the lowest cost for materials. since the shipping time is longer, they should order the domestic materials because the additional cost is worth it to get the materials in time. even though the shipping time is longer, they should order the imported materials because they are less expensive and should arrive in plenty of time to build the product.

Five structural isomers have the formula c6h14. where needed, draw the structure and give the iupac name of all five isomers.