Multiple Choice
The initial position and velocity of a projectile are given by and
respectively,and where r is in m and v in m/s.The position in the horizontal direction (in m) as a function of time is
A) x(t) = 6t
B) x(t) = 3 + 6t
C) x(t) = 3 + 6t + gt2
D) x(t) = 4 + 8t
E) x(t) = 4 + 8t + gt2
Correct Answer:

Verified
Correct Answer:
Verified
Q22: If an object is moving west,its acceleration<br>A)is
Q23: A car is at position (x<sub>1</sub>,y<sub>1</sub>)= (4
Q24: A vector has an x component of
Q25: If you ignore air resistance in projectile
Q26: The initial position and velocity of a
Q28: A projectile is ejected from a 25-m
Q29: Use the diagram to answer the question.<br>The
Q30: The position vector of an object is
Q31: A pilot wants the heading of an
Q32: The position vector locating the point P(12,-5)relative