Determining accelerating from the rest at constant rate

Question

Q1. Displacement is which of the given types of quantities?

a) Vector
b) Scalar
c) Magnitude
d) Dimensional

Q2. A bird, accelerating from the rest at a constant rate, experiences a displacement of 28 m in 11 s. Find out the average velocity?

a) 1.7 m/s
b) 2.5 m/s
c) 3.4 m/s
d) 4.2 m/s
e) Zero

Q3. Jeff throws a ball straight up. For which condition is the vertical velocity zero?

a) On the way up
b) At the top
c) On the way back down
d) Both a and c are correct
e) None of above

Q4. A rail-road train travels forward all along a straight track at 80.0 m/s for 1000 m and then travels at 50.0 m/s for the subsequent 1000 m. Find out the average velocity?

a) 65.0 m/s
b) 61.5 m/s
c) 63.7 m/s
d) 70.0 m/s
e) 68.3 m/s

Q5. A bird, accelerating from the rest at a constant rate, experiences a displacement of 28 m in 11 s. Find out its acceleration?

a) 0.21 m/s²
b) 0.46 m/s²
c) 0.64 m/s²
d) 0.78 m/s²
e) 0.97 m/s²