A moving particle with the equation: x=3+5t (x units m; t units s) a/ At time t=0, what is the coordinate position of the particle?

b/ Determine the speed of the particle?

c/ At time t=3s, where is the point?

d/ When is the point at the position with coordinates x=23m?

Which two particles are found in the center of an atom

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy