What is the scientific term for the speed of an object moving in a definite direction?
ATime
BAcceleration
CMomentum
DVelocity
Answer & Solution
Correct answer: D. Velocity
1. Speed is a scalar quantity with only magnitude.
2. Speed in a specified direction becomes a vector quantity.
3. This vector quantity is called velocity.
_Source: RRB Group D CEN-02/2018 PYQ, Q.16._
Related questions
An automatic but restorable switch that opens on excessive current is a circuit:A metal strip with a low melting point that permanently breaks a circuit is a:A low-resistance path allowing a very large current between terminals is a:The two known hazards of electricity are shock and:That AC voltage swings from peak to peak and back each second a number of times equal to:A 120 V AC supply has a peak voltage swinging to about:Household electricity in the United States is quoted as an rms voltage of:The flow of electric charge in only one direction is called: