Section B: For problems, 5 11, use the four equations below. – = ma fk = µk ΣF N fs µs N ≤ Fs = −kx If = 10 N and = 1 m/s2, find using the first equation? ΣF a m Given = fk , = 250 kg, µk = 0.2, and 10m, find ΣF m N = a? = 10m, but 0 m/s2. Use the equation to find in terms of ΣF T a = m T? – Given the following values, determine if the third equation is valid? (Given: = fs , = 90 kg, and = 2 m/s2. Also, ΣF m a µs= 0.1, and 5 N). N = Use the equation in Section A, the first equation in Section B and the following givens and find (given: = 12 ΣF? m kg, 15 m/s, 5 m/s, and 12 s) v0 = vf = t = Use the first equation in Section I, the first equation in Section II and the following givens to find (given: ΣF? = 12 kg, 15 m/s, 5 m/s, and 12 s) m v0 = vf = t = Use the last equation to solve for if 900 N/m and = 0.15 m? Fs k = x
Section B: For problems, 5 – 11, use the four equations below. ΣF = ma fk = µk N fs ≤ µs N Fs = −kx If ΣF = 10 N and a = 1 m/s2, find m using the first equation? Given ΣF = fk , m = 250 kg, µk = 0.2, and N = 10m, find a? ΣF = T – 10m, but a = 0 m/s2. Use the equation to find m in terms of T? Given the following values, determine if the third equation is valid? (Given: ΣF = fs , m = 90 kg, and a = 2 m/s2. Also, µs= 0.1, and N = 5 N). Use the equation in Section A, the first equation in Section B and the following givens and find ΣF? (given: m = 12 kg, v0 = 15 m/s, vf = 5 m/s, and t = 12 s) Use the first equation in Section I, the first equation in Section II and the following givens to find ΣF? (given: m = 12 kg, v0 = 15 m/s, vf = 5 m/s, and t = 12 s) Use the last equation to solve for Fs if k = 900 N/m and x = 0.15 m?
AP_Physics_I_2017_Summer_Assignment.docx