1) Suppose you have a 101-kg wooden crate resting on a wood floor. (For each answer, enter a number. _k = 0.3 and _s = 0.5)

(a) What maximum force (in N) can you exert horizontally on the crate without moving it? N

(b)If you continue to exert this force (in m/s²) once the crate starts to slip, what will the magnitude of its acceleration (in m/s²) then be? m/s²

2) The terminal velocity of a person falling in air depends upon the weight and the area of the person facing the fluid. Find the terminal velocity (in meters per second and kilometers per hour) of a 90.5 kg skydiver falling in a pike (headfirst) position with a surface area of 0.130 m². (Assume that the density of air is 1.21 kg/m³ and the drag coefficient of a skydiver in a pike position is 0.7. For each answer, enter a number.)

a) terminal velocity in m/s m/s

b) terminal velocity in km/h km/h