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WorksheetsKinematics and Hydrostatics/Hydrodynamics
Total questions: 10
Worksheet time: 7mins
Object velocity equation v=10−5t . What will the equation of motion be?
S=5t−2t2
S=10t+3t2
S=5t−2.5t2
S=10t−2.5t2
The object rotates at 450 rpm. What does the angular velocity of an object equal to?
47.1 rad/s
58.3 rad/s
6.28 rad/s
450 rad/s
The fluid velocity in a 5 cm diameter tube is 1.2 m / s. What will be the velocity of the liquid in a 3 cm diameter tube?
4.22 m/s
0.43 m/s
2.00 m/s
3.33 m/s
What is the change in the pressure of the water flowing in a horizontal pipe if the fluid velocity changes from 2 m/s to 5 m/s?
500 Pa
21000 Pa
10500 Pa
6000 Pa
The graph of the velocity for an object moving in a straight line is shown. What is the corresponding graph of displacement against time?
A stone is dropped from the top of a tower of height 40 m. The stone falls from rest and air resistance is negligible.
What time is taken for the stone to fall the last 10 m to the ground?
0.38 s
1.4 s
2.5 s
2.9 s
Bernoulli princile states
If the fluid velocity decreases, the pressure decreases.
If the fluid velocity is increased, the pressure increases.
If the fluid velocity decreases, the pressure does not change.
If the fluid velocity increases, the pressure decreases.
A stone is thrown horizontally at a speed of 10 m/s from a tower 45 m high. What is the range of the stone (the distance from the base of the tower to the place where the stone fell)?
20 m
30 m
50 m
65 m
A stone is thrown horizontally at a speed of 10 m/s from a tower 45 m high. What is the final velocity of the stone at the moment it hits the ground?
31 m/s
29 m/s
10 m/s
46 m/s
A ball is released from the rest at time zero. After 1.0 s it bounces inelastically from a horisontal surface and rebounds, reaching the top of it first bounce after 1.5 s. What is the total displacement of the ball from its original position after 1.5 s?
1.25 m
3.75 m
5.00 m
6.25 m
