Law of Periods: T2R3 YA Young\'s Law: F =-TAL 3 1. (CH6), 7pts In order to stay

Question

Law of Periods: T2R3 YA Young's Law: F =-TAL 3 1. (CH6), 7pts In order to stay within the posted speed limit, a car withy 60 cm diameter wheels must have its wheels spin at 76 revolutions per second) A sporty car with 90 cm dialmeter wheels drives down the same stretch of road. tn order for it to stay within the speed limit, the speed o er edge of the sporty car's tire must be the same as that of the first car At what rate should the wheels of the sporty car rotate if the speed at the outer edge is to be the same as that of the first car? (wsporty cart F(o0.3mls O.lo 2TT F a1.3 revlsec 2. (CH6), 7 pts

Explanation / Answer

given

d1 = 60 cm
w1 = 16 revolutions/s
d2 = 90 cm
w2 = ?

given

v2 = v1

r2*w2 = r1*w1 (since v = r*w)

(d2/2)*w2 = (d1/2)*w1

w2 = (d1/d2)*w1

= (60/90)*16

= 10.7 revolutions/second <<<<<<----------Answer

Related Questions

Navigate

• Browse (All)
• Browse L
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.