Exercises 4 ESO Dynamics Review Exam

1. A force F=(3i-4j) acts over a 2kg particle at rest during 5s. Determine: The impulse, the final linear momentum of the particle, the final speed of the particle.
   
2. If the Earth turns around the Sun in 365 days. How long does it take to Mercury? Data: dMercury-Sun=58 mill km. dEarth-Sun=150mill km
3. An hidraulic press has a minor radious of 20 cm and a bigger radious of 1m. Which force do we need to lift a 1200 kg car?Which will be the displacement to lift it 20 cm?