Can anyone please help me with problems 6-8??

Test 1 Study Guide 80 km/h 100 km/h Scientific Method 1. Difference between hypothesis and theory? Resultant 2. Can a theory ever be proven wrong? 3. What about a law? (Scale: 1 cm = 20 km/h) Vectors 60 km/h 4. Vectors have A: Magnitude B: Direction C: Both D: None of the above 5. Difference between a scalar and a vector. 6. Given the 100 km/h vector of the plane shown, draw its x and y components. 7. The 60-km/h crosswind blows the 80-km/h airplane off course at 100 km/h draw the resultant velocity. 8. A cart is pulled to the right with a force of 15 N while being pulled to the left with a force of 20 N. The net force on the cart is