30 points and brainliest for whoever can answer these 3 questions : 1) Do you believe that using E-Cigarettes (Juuls) is a problem amongst high school students? Why or why not?

2) Do you believe that using E-Cigarettes (Juuls) is dangerous for high school students? Why or why not?

3) Give 1-2 suggestions on how this problem can be resolved.

Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?

What quantity do units represent in value