The scientists makes an educated guess in “ if, then” form. which step of the scientific method is described?

Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied