Answer:
yes friction is needed hope this helps might of been to long tho
The difference between the above velocities is that they exist in opposite direction of each other. or it can be said that they are negative vectors of each other.
Answer:
d = 105 m
Explanation:
Speed of a car, v = 21 m/s
We need to find the distance traveled by the dar during those 5 s before it stops. Let the distance is d. It can be calculated as :
d = v × t
d = 21 m/s × 5 s
d = 105 m
So, it will cover 105 m before it stops.
Answer:
Un medidor de fuerza
A force gauge for all you English speakers
Explanation:
Un medidor de fuerza es un instrumento de medición que se utiliza para medir fuerzas.
A force gauge is a measuring instrument used to measure forces.
I think the answer is c but I’m not sure