Equations
Kinematics equation that does not involve diaplacement.
what is v=v0+at ?
A motorbike travels east and begins to slow down before a traffic light. In which direction is the motorbike's acceleration going?
What is west?
Three different units for displacement?
What is meters, ft, km, inch, miles?
value of acceleration due to gravity (in HP Phys land)?
What is -10m/s2
During free fall, what is the acceleration of an object?
g or -10 m/s2?
Kinematics equation that does not involve final velocity.
what is ∆x = v0t+1/2at2 ?
A person walks 8 km east during the first day, and 5 km west the next day. What is their net displacement?
What is 3 km east?
3 different units for time?
what is seconds, minutes, hours?
The speed of something in a particular direction.
What is velocity?
An object that is dropped has an initial velocity of ___.
What is zero?
Kinematics equation that does not involve time.
What is v2=v02+2a(x-x0) ?
A stomp rocket takes 1.5 seconds to reach its maximum height. What was its initial velocity?
What is 15 m/s?
4 different units for velocity?
what is m/s, km/hr, mph, ft/s?
the rate of change of velocity.
What is acceleration
If a car is traveling at a velocity of 5 m/s, and slows to a stop, the final velocity is ____.
What is zero?
This value is 0 for an object in free fall.
What is velocity as the highest point?
What is the maximum height of a stomp rocket that has an initial velocity of 15 m/s?
What is 11.25 m?
4 different units for acceleration?
km/hr2, miles/hr2, ft/s2, m/s2
The net change in position.
What is displacement?
The final velocity of a cat thrown upward at its peak is = ?
What is 0.
This value is zero for a horizontal launch.
What is the v0y? OR what is ax?
An object accelerates from rest, with a constant acceleration of 4.5 m/s2. What will its velocity be after 30s?
What is 135 m/s?
What are the SI units for acceleration due to gravity?
m/s2
What is the difference between displacement and distance?
Distance - how far an object has travelled (total path length)
Displacement - shortest straight line distance between initial and final position
An object moves at a constant speed of 5m/s. This means that the object:
A. Increases speed 5m/s every second.
B. Decreases its speed by 5m/s every second.
C. Has zero acceleration.
D. Moves 5 meters every second
what is C and D?