根据“The book of Songs is the...collection of poems in China”可知,此前有定冠词the修饰,比较的范围不止两者,所以用形容词最高级。故选C。 6. 【答案】A 【解析】 【详解】句意:如果你用心对待别人,你会得到友谊作为回报。 考查连词辨析。I...
What is the pitch in sound ? View Solution What determines the loudness of sound ? View Solution What will be the effect on loudness if ampli-tude doubles ? View Solution If the pitch of the sound of a source appears to drop by10%to a moving person, then determine the velocity of moti...
Logic Behind The Behavior Of A Cricket Ball Upon Impact With The Pitch Let’s try to understand two basic physics terms that will help explain the ball’s behavior when it hits the ground. Coefficient of friction:This is a measurement of the amount of friction between two surfaces. The lowe...
Fast, M.: What the heck is PITCHf/x. In: Distelheim, J., Jacobs, B. (eds.) The Hardball Times Baseball Annual 2010, pp. 153-158. ACTA Sports, Chicago (2009)Fast, M. 2010. "What the Heck is PITCHf/x?" The Hardball Times Baseball Annual 2010. URL: http://baseball.physics....
Dr. Drew places a piece of lumber against a wall. The lumber is 175 meters long and makes an angle of 32 degrees against the wall. How far away in meters is the base of the lumber to the wall? What is a solid angle in physics?
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
A wave motion or simply wave is any disturbance that travels through a medium, transferring energy from one location to another location without the transfer of mass. In physics and mathematics, a wave can be represented by a sinusoidal function with respect to time and space....
What's That? Your Physics Questions AnsweredThe galaxy cluster Abell 1689 is famous for the way it bends light in a phenomenon called gravitational lensing. A new study of the cluster is revealing secrets about how dark energy shapes the universe.
In physics, distance is a scalar quantity representing how much ground an object has covered during its motion. The distance a ball rolls down a hill depends on its path. 7 Length In mathematics, length can describe the size of one-dimensional figures. The length of a line segment is the...
Soaking is common in various contexts, from cleaning to cooking, where the goal is for the liquid to be absorbed or to affect the soaked item's properties. 7 Sinking can be instantaneous or gradual, depending on the object's composition and the medium. It is a critical concept in physics...