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A hiker’s velocity begins at 1.8 m/s uphill and changes to 1.5 m/s uphill. How do you know that the hiker has a negative acceleration?
velocity has direction, while speed does not
a measure of the amount of matter or stuff
His speed decreased.
going straight at constant speed
being able to walk forwards, brakes on a car, rubbing hands together for warmth
average velocity
unbalanced force
have greater masses
The gravitational pull is greater between two objects that
velocity has direction, while speed does not
a measure of the amount of matter or stuff
His speed decreased.
going straight at constant speed
being able to walk forwards, brakes on a car, rubbing hands together for warmth
average velocity
unbalanced force
have greater masses
Give 3 examples of friction being helpful in everyday life
velocity has direction, while speed does not
a measure of the amount of matter or stuff
His speed decreased.
going straight at constant speed
being able to walk forwards, brakes on a car, rubbing hands together for warmth
average velocity
unbalanced force
have greater masses
The difference between speed and velocity is that
velocity has direction, while speed does not
a measure of the amount of matter or stuff
His speed decreased.
going straight at constant speed
being able to walk forwards, brakes on a car, rubbing hands together for warmth
average velocity
unbalanced force
have greater masses
Mass is
velocity has direction, while speed does not
a measure of the amount of matter or stuff
His speed decreased.
going straight at constant speed
being able to walk forwards, brakes on a car, rubbing hands together for warmth
average velocity
unbalanced force
have greater masses
To produce change in motion, a force must be a(n)
velocity has direction, while speed does not
a measure of the amount of matter or stuff
His speed decreased.
going straight at constant speed
being able to walk forwards, brakes on a car, rubbing hands together for warmth
average velocity
unbalanced force
have greater masses
In which of the following is a skater NOT accelerating
velocity has direction, while speed does not
a measure of the amount of matter or stuff
His speed decreased.
going straight at constant speed
being able to walk forwards, brakes on a car, rubbing hands together for warmth
average velocity
unbalanced force
have greater masses
Dividing the total distance traveled by the total time in a certain direction is how to calculate
velocity has direction, while speed does not
a measure of the amount of matter or stuff
His speed decreased.
going straight at constant speed
being able to walk forwards, brakes on a car, rubbing hands together for warmth
average velocity
unbalanced force
have greater masses
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