English 2024

Pressure in liquids is defined  by the  formula

• p=ρgh

• p=ρ/gh

• p=ρg/h

• p=Nt

• p=mgh

...   is both a property of a physical body and a measure of its resistance to acceleration when a net force is applied.

• Mass

• Matter

• Density

• Velocity

• Force

Unit of mass?

• N * m

• newton (N)     

• m/s     

• kg/m3    

• kg 

>…   gravitational mass measures the gravitational force exerted by an object

• Active 

• Passive

• Inertial

• Quantum

• Centripetal

>...   mass measures an object's resistance to being accelerated by a force (represented by the relationship F = ma).

• Inertial

• Passive  

• Active

• Quantum

• Centripetal

...  waves are much different than ... waves in the manner in which they travel

• Sound, light

• electromagnetic, mechanical

• mechanical, light

• electromagnetic, light

• electromagnetic, sound

To hit a target on land, at what point would you drop a bomb from an airplane

• Before the target

• Directly over the target

• After passing the target

• by the target

• to target

> If one cannonball is dropped from a given height and another is fired horizontally from                 the same height, which one will hit the ground first

• They will both hit the ground  at the same time

• The one that is fired

• They will fall to the ground at different times

• The one that is dropped   

• The one that didn't fall

What is the sound barrier?

• The speed that an object must travel to surpass the speed of sound

• A unit for measuring the intensity of sound

• The point at which a sound exceeds the human pain threshold

• The distance between two people who can hear each other

• The distance between two people that cannot hear one another talking

   

The smallest particle of any chemical element that can exist by itself and yet retain the qualities that distinguish it as that element is

• an atom

• a proton

• a neutron

• a molecule

• an electron