7) Se calcula dividiendo distancia entre tiempo
1 answer:
Answer:
A) Rapidez
Explanation:
Speed is a scalar quantity and it is found by dividing the distance traveled by the time taken.
Speed =
Distance is the length of path covered whereas time is the duration of the travel.
Unlike velocity which is a vector, speed is a scalar quantity with only magnitude but no direction.
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Answer:
4 m/
Explanation:
From Equilibrium of forces, The Tension in string is cancelled by the Weight (product of mass and acceleration due to gravity) of the body acting downwards.
The Net force = Mass * Acceleration.
Since Net Force = 20 Newton, Mass = 5kg, therefore;
20 = 5kg * acceleration. Dividing the RHS and LHS of the equation by 5, we have;
Acceleration = which gives 4.
Note: RHS means Right Hand Side.
LHS means Left Hand Side.