Two cars are traveling at the same speed of 25 m/s on a curve that has a radius
ID: 2024761 • Letter: T
Question
Two cars are traveling at the same speed of 25 m/s on a curve that has a radius of 120 m. Car A has a mass of 1000 kg, and car B has a mass of 1650 kg.(a) Without doing any calculations, decide which car, if either, has the greater centripetal acceleration.
Both cars have the same centripetal acceleration.
Car A has the greater centripetal acceleration.
Car B has the greater centripetal acceleration.
(b) Without doing any calculations, decide which car, if either, experiences the greater centripetal force.
Both cars experience the same centripetal force.
Car B experiences the greater centripetal force.
Car A experiences the greater centripetal force.
(c) What is the algebraic expression for the centripetal acceleration ac? Express your answer in terms of the speed v and the radius r. (Answer using v to be the velocity and r to be the radius.)
ac =
(d) What is the centripetal acceleration ac of car A?
Number Unit
ac =
(e) What is the centripetal acceleration ac of car B?
Number Unit
ac =
(f) What is the algebraic expression for the centripetal force Fc? Express your answer in terms of the mass m, speed v, and the radius r. (Answer using v to be the velocity, r to be the radius, and m to be the mass.)
ac =
(g) What is the centripetal force Fc that car A experiences?
Number Unit
Fc =
(h) What is the centripetal force Fc that car B experiences?
Number Unit
Fc =
Explanation / Answer
a)both cars have same cetripetal accelaration.
b)car B experiance greater centripetal force.c)ac=v2/r.d)ac=125/24=5.208m/s2 e)ac=5.208m/s2
f)Fc=mv2/r g)Fc=5208newton h)Fc=8593.75N
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