Q1. A soccer player kicks a ball, giving it an initial velocity of 17.2 m/s in the horizontal direction and 12.0 m/s in the vertical direction. How far down the field does the ball travel before landing?
a)84.2 m
b)42.1 m
c)81.6 m
d)24.0 m
e)37.5 m
Q2. The x and y positions (in meters) of a particle are given by: x(t) = 253 t, and y(t) = -12.0 t2 + 155 t + 100. The speed of the particle at t = 12.9 s is
a)0 m/s.
b)98.4 m/s.
c)296 m/s.
d)408 m/s.
e)529 m/s.
Q3. You toss a stone vertically upward and it reaches a maximum height of 2.06 m above the launch point. The initial velocity of the stone was
a)336m
b)215m
c)125m
d)6.36m
Q4. A projectile is launched at 10.0 m/s in a direction 45.0 degrees above the horizon. It hits the ground 10.0 m below its initial position. What is its speed just before hitting the ground? Ignore air resistance.
a)14.1 m.s
b)17.2 m/s
c)20.0 m/s
d)24.1 m/s
Q5. A baseball is hit at ground level. The ball is observed to reach its maximum height above ground level 3.0 s after begin hit. And 2.5 s after reaching this maximum height, the ball is observed to barely clear a fence that is 320 ft from where it was hit. How high is the fence?
a) 44 ft
b)52 ft
c)27 ft
d)36 ft