Why is it important to apply critical thinking to spam e-mail?
a.
spam e-mail can contain malicious computer code and viruses.
b.
spam can be an attempt to commit fraud.
c.
it can be an attempt to get personal and financial information.
d.
all of the above

Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s

While carrying a heavy box up the stairs, you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force