Questions: Since Parkman has added a little weight lately, I'm really concerned that he may actually capsize the boat. How much would he have to weigh for the boat to go under? How close the water will be to the top of the raft before Parkman jumps in.
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.
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Questions:
- Since Parkman has added a little weight lately, I'm really concerned that he may actually capsize the boat. How much would he have to weigh for the boat to go under?
-
How close the water will be to the top of the raft before Parkman jumps in.
hints:
- I've included a few 2-D sketches of the boat, and you may need to know that the concrete hull weighs 40 grams for each square centimeter of surface area.
- You will need to use Archimedes' Principal, which states that the buoyant force on an object in water is equal to the weight of the water displaced.
- A cubic meter of water weights 1000 kilograms.
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