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Because volcity includes the direction of the object, and a clock can only measure speed.
a clock
scalar quantity is an physical quantity which has force but no direction. 2 examples of scalar: temperature( temp. has magnetude but it cant be expressed in an direction), time( time can be measured in second or hours but cant be given an direction as in 20 minutes south
Individual molecules are too small.
No,because scalar quantities have no direction. So they cant be negative
Because volcity includes the direction of the object, and a clock can only measure speed.
by simple moving of its needle,or by change the direction of needle.
Fair = -0.5pv2ACdV Keep in mind that the p is the greek symbol for density, and V has a circumflex (^) over it. I cant add greek letters to this box. This is negative because I assume that the direction the object is moving is the positive direction. Air resistance acts in the opposite direction. p - density of fluid (fluid is what the object is moving through whether it be liquid or atmosphere) v - velocity of object as it moves through fluid A - area of object Cd - Drag coefficient V - unit vector as indicative of direction object is moving in
A clock
a clock
partcles heading towards one anther take on characteristics because going away from its origin causes partcles to resist that direction ,it cant go in its origin direction but in its opposite purging direction flat flaten out so how do you no which one you are you cant mirrors lie
partcles heading towards one anther take on characteristics because going away from its origin causes partcles to resist that direction ,it cant go in its origin direction but in its opposite purging direction flat flaten out so how do you no which one you are you cant mirrors lie
a clock
you cant
Because they lack the reasoning power to realise - if they reverse the direction they've been moving, they'll unwrap themselves !
Thunder claps.
The given description fits to that of a clock.