Who would be harder to stop: a professional hockey player skating 4 m/s or a fifth grader sharing at 4 m/s and why

A particle is confined between rigid walls separated by a distance L = 0.167 nm. The particle is in the second excited state (n = 3). Evaluate the probability to find the particle in an interval of width 1.00 pm located at: x = 0.166 nm; x = 0.

Which is the thick white substance that accumulates at the side of a cut in the process of healing?

On the crossbuck or gate at the railroad crossing, there is a sign telling you how many tracks are at that crossing.

The video shows an animated billiards experiment in which a cue ball strikes a glued-in-place eight-ball. which of the following explains why the momentum of the eight-ball is conserved?

At the maximum rate of power generation, a small hydroelectric power plant takes a discharge of 16.2 m3/s through an elevation drop of 61 m. The head loss through the intakes, penstock, and outlet works is 5.8 m.

What distance was an object moved by a force of 40 N if the work was 600 joules

How do I use a metric conversions chart

Do you think Pluto should be considered a planet? Why or why not?

An object starts from rest at time t = 0.00 s and moves in the + x direction with constant acceleration. The object travels 14.0 m from time t = 1.00 s to time t = 2.00 s. What is the acceleration of the object? a) 5.20 m/s^2 b) 10.4 m/s^2 c) 8.

A box is dragged without acceleration in a straight-line path across a level surface by a force of 13 N. What is the frictional force between the box and the surface?