an airplane is flying west at 690kph. The wind is blowing north at 65kph. Determine the final velocity

what is the distance for the motion, from A to B to C to D, shown in the image below?

what is the displacement for the motion, from A to B to C to D, shown in the image below?

all the following statement regarding distance and displacement are true except which on?

even when you are sitting as motionless at possible, according to which frame of reference are you still moving?

an airplane is flying west at 690 kph. the wind is blowing east at 60 kph. determine the final velocity.

a coordinate system that we can use to describe an objects motion

any quantity that described by both magnitude and direction

any quantity that is described by magnitude or size alone

the branch of motion dealing with HOW things move

the branch of motion dealing with WHY things move

the study of motion

a scaler indicating how far an object has traveled

a scaler indicating how quickly an object has traveled

a vector indicating change in position

a vector indicating change in position per unit time

a number line is a frame of reference

displacement is always greater than or equal to distance

a force is a vector quantity

displacement is a vector quantity

speed is a vector quantity

mass is a vector quantity

temperature is a vector quantity

velocity is a vector quantity

the greeks were often wrong about science topics. However, when it comes to motion, the greeks were on the right track

what is the displacement for the motion from A to B to C, in the image shown below

what is the displacement for the motion, from A to B to C, shown in the image below.

how long will it take you (in hours) to bike a 15km trail if you average 9.3 kph on the bike? formula: d=v(t)

a car traveled 18 km north and 30 km west in a total of 2 hours. What was the speed of the car?

what is the objects velocity at 14 s?

a car at a traffic light begins to blow its horn then pulls away from the light. to a pedestrian standing on the curb, how does the sound of the cars horn when the car is moving away compare with the sound when the car is stationary?

wavelength is described as the distance from __________ to _________.

frequency is directly related to

in order for sound to travel there must be a(n)

sound travels quickly through a solid because

our ears do not respond to infrasonic sound because

the very softest sound that can be heard is called

low notes travel ________ notes

to dampen multiple reverberations in a building you could install

a trumpet sounds different than a tuning fork because

doing which of the following actions to an object will not produce a sound?

the frequency of sound that are above those that we can hear are called

sound waves are longitudinal waves because

the speed of sound wave is

an increase in the amplitude of a vibration will

two notes played on different musical instruments always have different

which is not necessary for sound to occur?

what phenomenon causes beats to form?

the number of wavelengths the pass a point each second is known as

a trumpet and piano can play the same pitch

when a spaceship outer space explodes, the explosion can be heard for miles

sopranos sing at high pitch than bass singers

sound can become loud enough to cause pain

loudness is measured in decibels

frequency is a measure of sound intensity

The thicker a vibrating string, the higher the pitch when it is plucked.

In general, big instruments produce high pitch, clear sounds. Materials with hard surfaces make good sound absorbers.

Resonance occurs in tuning forks at the same pitch.

For beat to occur, two sound waves must be completely and continually out of sync with each other.

The threshold of pain is usually 120 dB.

A sound of 120 db has twice as much energy as a sound of 60 db.

The mixture of overtones present in sound waves

Describes high-pitch frequency beyond human hearing

Related to the loudness of a sound

Multiple echoes of sounds

Response of the ear to sound

Stretched out (low density) areas of sound wave

Intense vibrations at the natural frequency

Vibration of matter we detect with our ear

How high or low a tone sounds

The way a building or a structure affects sound

a sound of 40 dB is ______ times louder than a sound of 10 dB

which method of charging causes a neutral object to become temporarily polar?

a process of creating charged objects without actually bringing the two objects into contact is charging by _______.

which type of circuit protection is specifically installed in kitchens, bathroom, outdoors, and other areas where water and electricity may come into contact with each other?

what is the name for current that flows in only one direction from a power source?

created charged regions on an object without actually adding or removing electrons is called electrical _______

during a lab activity, a glass rob was rubbed with silk. The glass rod became positively charged. Which of the following is the best explanation for the accumulation of static charges?

the electrical force between two charges is strongest when the charges are

bending water with a charged rod is an example of

two light bulbs are connected in a portion of a circuit. One burns out, but the other keeps burning. What kind of arrangement is this section of the circuit?

a static charge is produced by removing or adding

The force that moves electric charge carries through an electric circuit is

identify the circuit component represented by the following symbol

what happens when you touch a metal doorknob after rubbing your shoes on carpet?

a material with ______ conductivity is an insulator, and a material with _____ conductivity is a conductor.

engineers use ______ to prevent electricity from flowing to the wrong place

a standard electrical outlet in your house provides _____

during a lab activity, a glass rod was rubbed with silk. The glass rod became positively charged. This is an example of _________

which on the following is a good conductor?

a neutral metal rod is touched by a negatively charged sphere. At this moment, electrons move

in which type of circuit arrangement much all the current flow through each part of the circuit

identify the circuit component represented by symbol below

in a series circuit when you increase the voltage there will be a(n) _______ in current. This is called a _______ relationship.

which type of circuit protection must be replaced once it is used?

the formula V=IR is called

A fuse opens the circuit by melting when it overheats because there is too much current in the circuit.

Electric field lines point toward negative objects.

Most objects have an equal number of protons and electrons.

electric field lines are proof that electricity requires objects to be in contact with each other.

Objects can often become electrically charged by simply rubbing them together.

Two positively charged objects have an affinity for one another.

Direct current is the primary energy source in portable electronic devices.

An open electric circuit allows current to flow.

Static cling is worse in summer than in winter because summer air has more moisture and this causes more static.

A positively charged object and a negatively charged object will repel each other.

Lines of electrical force indicate the direction that a proton would travel if dropped into the field.

electric potential energy, motivation

the ability of a material to slow down the flow of charge carries, like a light bulb

material through which charge passes easily

unit used to measure electrical current

unit for resistance

material through which charge flows poorly

provides multiple paths that current can take

a build up of electrical charge on one object

an electrical device in a circuit that consumes electrical energy

a loop through which electricity can flow

a region around a charged object that will apply an electric force on other charged objects

the speed of electrical charge through a complete circuit

an unintended path taken by current electricity

provides only one path for charge carries to move through

changes in pressure in a confined fluid are distributed equally in al directions throughout the fluid

liquid or gas phases of matter

the buyout force exerted on a body of fluid is equal to the weight of the displaced fluid.

states that the pressure of a fluid decreases as its speed increases

the volume of a dry gas is inversely proportional to the pressure it exerts

the volume of a gas at a constant pressure is directly proportional to its temperature

in a fluid at rest in a closed container, a pressure change in one part is transmitted without loss to every portion of the fluid and to the walls of the container.

newtons first law

newtons 2nd law

newtons 3rd law