Examlex
A source emits sound at a fixed constant frequency f.
-If the source moves away from you faster than the speed of sound in air,you do not hear any frequency but instead a 'sonic boom.'
Hip Hop
A cultural movement that originated in the 1970s, characterized by four key elements: rapping, DJing, graffiti, and breakdancing.
Political Engagement
Involvement in political activities to influence government policy or representation.
Tassou Performances
A form of traditional African oral performance that combines speaking, singing, and rhythm, often in a ceremonial or storytelling context.
MC Solaar
A French rapper of Senegalese and Chadian descent, known for his complex lyrics and significant impact on the French rap scene.
Q10: Why do we use fuses?<br>A)to eliminate shock
Q16: Diverging lenses have negative focal lengths.
Q27: The coefficient of linear expansion of ordinary
Q50: What's the Big Bang?<br>A)the creation of the
Q53: A plasma state of matter is<br>A)a conducting
Q78: You feel warm from the Sun at
Q108: The light bulb used in a lamp
Q118: The kilowatt-hour is a unit of<br>A)power.<br>B)energy.<br>C)voltage.<br>D)current.
Q126: Solar energy<br>A)is a recent invention.<br>B)has been used
Q136: Using a lever to move a rock