If a cannonball is fired with a muzzle velocity of 320 feet per second, it will follow the path of the graph of the function below. h = x - 32 320 Here, distances are measured in feet. (a) Plot the graph of the flight of the cannonball. 1400 1400 1200 1200 1000 1000 800 800 600 600 400 400 200 200 500 1000 1500 2000 2500 3000 3500 500 1000 1500 2000 2500 3000 3500 1400 1400 1200 1200 1000 1000 800 800 600 600 400 400 200 200 500 1000 1500 2000 2500 3000 3500 500 1000 1500 2000 2500 3000 3500 (b) Find the height of the cannonball 1700 feet downrange. (Round your answer to two decimal places.) 796.875 ft (c) By looking at the graph of h, determine whether dh is positive or negative at 1700 feet downrange. positive negative
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
Calculate
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| dh |
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Explain what this number means in practical terms. (Round your answer to two decimal places.)
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