Force = mass times acceleration
F = 21000 x 36.9 = 774900
Therefore, 774900N force is required.
Answer:
Average speed will be 30.30 m/sec
Explanation:
We have distance d = 10 km
Time to reach university to home = 20 min
We know that 1 hour = 20 min
So 20 minute
We have to find average speed
We know that distance = speed × time
So
So the average speed will be 30.30 m/sec
Qualitative, you don't have an actual numerical value but are making a conclusion based on observation.
The small circle has 2 on each side and the rest have 8 as you can see but put them into pairs. you know how many to put based on the amount of protons (:
If gravity is the ONLY force acting on an object, then the force of
Earth's gravity produces acceleration of 9.8 meters per second²
downward. That number doesn't change, and it doesn't depend
on the mass or weight of the object.
If there are any other forces acting on the object at the same time,
like air resistance or some other kind of friction for example, then
all bets are off, and we can't say what the object's acceleration will
be in that case.