Acceleration
The acceleration of Earth's gravity
-9.8m/s2
Speed of an object that traveled 30 meters in 2 seconds.
15 m/s
Formula for mass
Mass= density x volume
The formula used for Sine
Opposite over Hypotenuse
Is acceleration a scalar or vector quantity?
Vector
The 3 ways to change acceleration of object
change in velocity, change in direction, change in direction and velocity
Speed of an object that traveled 500 km in 25 hours.
20 km/hr
Adjacent formula
A=(cosθ)(H)
The formula for Cosine
Adjacent over Hypotenuse
Scalar
Does the speedometer of a car read average speed or instantaneous speed?
instantaneous speed
Velocity of an object displaced south 300 feet in 5 seconds.
60 ft/s south
Opposite formula
O=(sinθ)(H)
The formula for Tangent
Opposite over adjacent
Is velocity a vector or scalar quantity?
Vector
If a car takes 20s to accelerate from 0 to 20m/s, how much does its velocity increase in each second?
1.0m/s2
25 m/hr west
Formula for acceleration
a=Vf-Vi/tf-ti
(Sin θ)(H)
Is displacement a scalar or vector quantity?
Vector
If a car's velocity increases to 30m/s from rest in 6.0s, what is its acceleration?
5.0m/s2
Speed of an object that traveled a distance of 420 km in 3 hours AND the velocity if it was displaced 69 km west.
Speed: 140 km/hr
Velocity: 23 km/hr west
Pythagorean Theorem
a2+b2=c2
The formula for finding the Adjacent
(Cos θ)(H)