Answer:
Explanation: It would go straight because objects in motion stay in motion and it would stay the same direction
The continuious physical force per unit area that one region of a gas, liquid, or solid exerts on another.
Answer:
you need to consider the use for the product, how brittle the materials are, how they react to certain things, the cost of the materials, the durability and flexibility of the materials, and how easy to obtain the materials are as well as how they would work and how they would hold
Answer:
Explanation:
Given
mass of bus along with travelers travelling in North direction is 
speed of bus towards North 
mass of bus travelling in South direction is 
speed of bus 
mass of each Passenger in south moving bus 
Momentum of North moving bus



Momentum with south moving bus


For total momentum to be towards south
should be greater than 0
thus for least value of n



So results can be shared and used by other scientists that want to use or replicate your experiment.