Instructions
Complete the following exercises for Math and Science. Show your work for calculations, and write clear explanations for your answers.
Math Section
1. Calculate the area of a triangle with a base of 10 cm and a height of 5 cm.
2. If a plane travels at a speed of 600 km/h, how far will it travel in 4 hours?
3. A pilot needs to fly from City A to City B, which is 300 km away. If the pilot maintains a speed of 150 km/h, how long will the journey take?
4. There are 3 types of aircraft in a hangar: 2 helicopters, 5 jets, and 3 propeller planes. What fraction of the total aircraft are jets? Simplify your answer.
Science Section
1. What are the four forces acting on an airplane in flight? Briefly explain each force.
2. Explain how the shape of an airplane wing (airfoil) helps it to fly. Include concepts like lift and airflow in your answer.
3. Describe the environmental impacts of aviation and suggest one way to reduce these impacts.
4. What materials are commonly used to build airplanes? Name at least three and explain why they are chosen.