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Dynamics: Newton’s Laws of Motion
ELECTRICITY: Current
ELECTRICITY: Current
ELECTRICITY: Resistance
Elasticity
Electric fields
Electromagnetism
Electromagnetism
Energy: Application And Uses
Experimental physics
Forces
Gravitational fields
Heat
Kinematics in Two Dimensions: Vectors, projectiles
Kinematics in one dimension
Linear Momentum
MOTION
MOTION
MOTION
MOTION
MOTION
MOTION: Circular
MOTION: Collision
MOTION: Inclined plane
MOTION: Simple harmonic motion (SHM)
Magnetism
Optics
PLASTICS
PRESSURE
Radioactivity
TEMPERATURE
The Laws of Thermodynamics
Units System
Units System
Units, dimensions and homogeneity
WAVES: Electromagnetic
WAVES: Electromagnetic
WAVES: Sound
5/36 MCQs for:
Kinematics in Two Dimensions: Vectors, projectiles
A runner runs halfway around a circular path of radius 10 m. What is the displacement of the jogger?
5 m.
20 m.
0 m.
10 m.
If the acceleration vector of an object is directed anti-parallel to the velocity vector:
The object is speeding up.
The object is turning.
The object is moving in the negative x-direction.
The object is slowing down.
If a ball is thrown with a velocity of 25 m/s at an angle of 370 above the horizontal, what is the vertical component of the velocity?
12 m/s.
19 m/s.
15 m/s.
25 m/s.
A stone is thrown horizontally with an initial speed of 10 m/s from the edge of a cliff. A stop watch measures the stone's trajectory time from the top of the cliff to the bottom to be 4.3 s. What is the height of the cliff?
77 m.
91 m.
22 m.
43 m.
The driver of a motorboat that can move at 10 m/s in still water wishes to travel directly across a river 1.6 km wide in which the current flows at 5.0 m/s. How long will it take to cross the river?
1.8 min.
2.4 min.
2.7 min.
5.3 min.