Una motocicleta pateix del repòs i fa 1000 metres en 28 segons, calcula l’acceleració i la velocitat final

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change

Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.

1. explain how you calculate the net force in any direction on the box. 2. suppose an upward force of 15n is added to the box. what will be the net vertical force on the box? 3. what force could be applied to the box to make the net force in the horizontal direction zero? explain. 4. suppose a force of 25n to the right is added to the box. what will be the net force to the right?