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Physics

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Harley Cassin

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Cards in this guide (18)
World class swimmers can swim the 100 meter freestyle in about 55 seconds What is their approximate average speed

1.82 m/s

The length of a vector arrow represents its

magnitude

Properties of matter are typically broken into two categories physical and

chemical

The shortest distance from start to finish is called the vector addition

False

If a direction is somewhere between North and East it is measured in

degrees

The direction of a vector that points somewhere between due north and due east is measured in

degrees

What are combined vectors that go in one direction

one dimensional

Microwelds are formed where

bumps from two surfaces come into contact.

Near the Earth's surface the amount of mass an object has does not affect its acceleration due to gravity

True

What vector is created by pointing in a particular direction

Which of the following are not vector directions?

The acceleration of gravity means that for each second that passes falling objects move 98 meters

No, that's not correct.

The acceleration of gravity means that for each second that passes, falling objects fall

at a speed that's 9.8 meters per second fasterthan it was one second earlier.

True or false Many people in many types of jobs not just physicists use kinematics ideas

true ----apex

The motion of an object thrown at an angle is what motion

projectile

Whih of the following is not a reason why gravity is important in our lives

It keeps water molecules together in a cup.

What is a practical example of gravity acting on a moving object

A car speeds up as a traffic light turns green.

Which of the following could not be vector magnitudes

14 meters

Which represents one dimensional motion

Two vectors that lie along the same line-apex

Which of the following phrases is the best definition of the world map

which of the following phrases is the best definition of the world map

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