1) Let x = the position and t = time. At t = 10s, which of the following stateme
ID: 2128184 • Letter: 1
Question
1) Let x = the position and t = time. At t = 10s, which of the following statement is correct?
a)rider C is ahead of ride D.
b)rider D is ahead of rider C.
c) rider C and D are at the same position.
d) rider C is at rest initially.
2) The distance between school and a student's house is 15 miles. During a typical school day it takes 45 minutes for this student to drive from home to school in the morning and 30 minutes from school to home in the afternoo.
a) What is the total distance the student will travel during a school day?
b) What is the displacement of the student during a school day?
3) The coordinate of a particle in meters is given by x(t) = 16t - 3.0t^2 - 1.0, where x is in meters and t is in seconds.
a) The position of the particle at t=0 s and t=2.0 s are ............ and ............
b) What is the displacement of the student during a school day?
Explanation / Answer
2) a) 30miles
b) 0
3)a) X1 = -1m.and X2 = 19m
b) 0
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