State 2 defects of primary cells

When gas or liquid particles become more spread out over time what is that called?

A Revolução Industrial, que iniciou na Inglaterra, promoveu um grande avanço para o processo de industrialização, que se expandiu para todo o mundo. Porém, causou também prejuízos. O que é correto afirmar sobre esses prejuízos?

Which of the following does not use electromagnetic radiation? (Check all that apply) Microwave ovens Radios Refrigeration unit Plasma

Two spheres of the same radius, but of different masses, are both fully submerged in water. The lighter sphere is held below the water line by a rope anchored to the bottom of the container. The heavier sphere is suspended from a rope.

How is acceleration calculated? a. initial velocity - final velocity / time c. final velocity - initial velocity / time b. initial velocity final velocity / time d. final velocity / time

At a certain factory, 340 kg crates are dropped vertically from a packing machine onto a conveyor belt moving at 1.00 m/s. (A motor maintains the belt's constant speed.) The coefficient of kinetic friction between belt and crate is 0.400.

A hydraulic lift is used to lift a heavy box that is pushing down on a 1.5-m2 piston with a force of 1,700 N. What force needs to be exerted on a 0.12-m2 piston to lift the box?

Rauol's friend Johnny sets out from his house in the city. His displacement is 900 m 80° North of west. What is the x component of his displacement vector?

What is the relationship between gravity and mass? What is the relationship between gravity and distance?

A person performs 300 j of work over the course of 60 seconds how much power they did required