First, let's convert the initial speed of the rhino:
The acceleration of the rhino is given by:
where the negative sign means it is a deceleration. We can neglect the negative sign since we are interested only in the magnitude of the force applied, which is given by Netwon's second law:
The acceleration of the rhino is given by:
where the negative sign means it is a deceleration. We can neglect the negative sign since we are interested only in the magnitude of the force applied, which is given by Netwon's second law: