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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 butterfly moves with a speed of 12.0 m/s. The x component of its velocity is 8.00 m/s. The angle between the direction of its motion and the x axis must be
30.00.
53.00.
48.20.
41.80.
A projectile is launched with an initial velocity of 60.0 m/s at an angle of 30.00 above the horizontal. How far does it travel?
160 m.
152 m.
184 m.
318 m.
A boat, whose speed in still water is 8.0 m/s, is directed across a river with a current of 6.0 m/s. What is the speed of the boat as it crosses the river?
5.3 m/s.
6.0 m/s.
8.0 m/s.
10.0 m/s.
A runner runs halfway around a circular path of radius 10 m. What is the displacement of the jogger?
20 m.
5 m.
10 m.
0 m.
When a football in a field goal attempt reaches its maximum height, how does its speed compare to its initial speed?
It is equal to its initial speed.
It is greater than its initial speed.
It is zero.
It is less than its initial speed.