Name: 4.5 Problems in Three Dimensions 1. Adrian and Tejpal decide to determine which o two routes is faster in a shopping mall. They be agree to walk at a pace of 1 m/s as they travel t two routes. Adrian walks from the starting poir the elevator, and then takes the elevator up to t end point, just outside the doors of the elevator The elevator travels at a speed of 0.4 m/s. Tejp walks along a path that is 20° to the path taken Adrian to a set of stairs that lead up to the end point. end stairs 5 m elevator 17° 80° 200 start a) Which route is faster?
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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