Why is it easy to remove air from balloon and is difficult to remove air from glass bottle

An astronaut tightens a bolt on a satellite in orbit. He rotates in a direction opposite to that of the bolt, and the satellite rotates in the same direction as the bolt. Explain why.

What type of event is required for an action potential to be generated?

What device uses AC current to operate

In a car changes its philosophy from 32 km/hour to54 km/hour in 8.0 seconds, what is its acceleration?

A block of mass m1 = 2.00 kg is connected to a block of mass m2 = 6.00 kg by a light string. that passes over a frictionless pulley as shown in the figure. All surfaces of the incline are. frictionless and the incline has an angle θ = 30.0°.

Water is a compound. O A. True B. False

How do air quality scientists ensure the air is cleaned? What steps do they take?

Is a mirrors surface opaque or transparent or translucent?

Sound waves can combine to become bigger or smaller true or false

Archimedes supposedly was asked to determine whether a crown made for the king consisted of pure gold (density of gold is 19.3 * 103 kg/m3). According to legend, he solved this problem by weighing the crown first in air and then in water.