Apartially evacuated airtight container has a tight-fitting lid of surface area 79.9 cm2 and negligible mass. if the force required to remove the lid is 388 n and the atmospheric pressure is 1.00 × 105 pa, what is the air pressure in the container before it is opened?

Explanation:

As we know that the air container is fixed by the lid on it and it is removed by external force

F = 388 N

now this external force must be same as the force due to pressure difference of the object

so it is given as

here we know that

here we have

now pressure is given as

the focus of lesson 1 is newton's first law of motion - sometimes referred to as the law of inertia. newton's first law of motion is often stated as. an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

explanation:

you go to your settings preference and in the end youll see sth that says "i want to delete my acc" click on it and u'll acc will be deleted but u have to wait.