which of the following is a physical quantity that has a magnitude but no direction?
which of the following is an example of a vector quantity?
Multiplying and dividing vectors by scalar results in
In a coordinate system, a vector is orientated at angle θ with respect to the x-axis. The x component of the vector equals the vector’s magnitude multiplied by which trigonometric function?
How many displacement vectors shown in the figure above have horizontal components
D1 and D4
Which displacement vectors shown in the figure above have vertical components that are equal?
a baseball being thrown
which of the following is an example of projectile motion?
what is the path of a projectile
a stone thrown into a lake
which of the following exhibits parabolic motion?
a flat piece of paper released from the window
which of the following does not exhibit parabolic motion?
at what point of the ball’s path shown in the figure above is the vertical component of the ball’s velocity zero?
move west at a speed that is equal to the bus’ speed
A passenger on a bus moving east sees a man standing on a curb. From the passenger’s perspective, the man appears to what?
A piece of chalk is dropped by a teacher walking at a speed of 1.5 m/s
Is distance or displacement a vector quantity?
The vectors must be perpendicular to each other
The equation D= square root x^2 + y^2 is valid only if triangle x and triangle y are magnitudes of vectors that have what orientation with respect to each other?