6 one-sixth parts are needed to make a whole.
Answer:
C. a quantity with magnitude and direction
Explanation:
These are the options for the question
A. a quantity of magnitude only
B. a quantity with direction only
C. a quantity with magnitude and direction
D. a quantity with no units.
Velocity is the distance cover per time, it is the rate at which an object change its position with respect to time.
Velocity is a vector quantity unlike speed which is a scalar quantity, velocity is the speed of an object with a specific direction.
For instance, the distance cover by Mr. A is 10m, at 2 seconds, this show a magnitude and direction, then velocity here is 10/2=5m/s
Answer:
Walking burns up more energy,1740000J
Explanation:
Given that the displacement is 5.0km, and running at 10km/h and uses, walking at 3km/hr and uses 290watts:
Energy consumption for running is calculated as:

Energy consumption for walking is calculated as:

Walking is a slower process hence the need for more energy over longer periods raltive to running the same distance.
Hence walking burns more energy; 1,740,000J. It burns more because you walk for a greater period of time.
Answer:
140m/s
Explanation:
V=V0+at. V=20+40*3=140m/s