Question

Please help me for 2 task because i have test. Test will be tomorrow!!!
1. A speedboat is engine can move the boat at a velocity of 215 km/h. What is the velocity of the current if the boat is displacement is 877 km (25° E of N) 3.5 h later?
2. A motorcycle stunt rider wants to jump a 20.0 m wide row of cars. The launch ramp is angled at 30° and is 9.0 m high. The landing ramp is also angled at 30° and is 6.0 m high. Find the minimum launch velocity required for the stunt rider to reach the landing ramp.

Answer 1

Explanation:

all the best for your exams

didnt understand your first ques though