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Questions in physics

[Answered] What is the French word for shepherd's crook?

[Answered] A skateboarder has an acceleration of -1.9 m/s\(^2\). If her initial speed is 6 m/s, how long does it take her to stop? A. 4.1 s B. 3.2 s C. 0.32 s D. 2.1 s

[Answered] What are some similarities between heat and temperature?

[Answered] How do the gas giants differ from the inner planets of the solar system? Discuss the following aspects: - Composition - Size - Distance from the Sun - Length of a year - Amount of energy received from the Sun

[Answered] In a clarinet, the reed end of the instrument acts as a node, and the first open hole acts as an antinode. Because the shape of the clarinet is nearly cylindrical, its harmonic series approximately follows that of a pipe closed at one end. What harmonic series is predominant in a clarinet?

[Answered] Explain how the atoms of the element helium are formed in a star.

[Answered] The coordinates of a bird flying in the xy-plane are given by [tex]x(t) = \alpha t[/tex] and [tex]y(t) = 3.0 \, \text{m} - \beta t^2[/tex], where [tex]\alpha = 2.4 \, \text{m/s}[/tex] and [tex]\beta = 1.2 \, \text{m/s}^2[/tex]. Part a: Calculate the velocity vector of the bird as a function of time. Give your answer as a pair of components separated by a comma. For example, if you think the x component is 3 and the y component is 4, then you should enter 3,4. Part b: Calculate the acceleration vector of the bird as a function of time. Give your answer as a pair of components separated by a comma. For example, if you think the x component is 3 and the y component is 4, then you should enter 3,4.

[Answered] What are the various ways in which lithospheric plates interact with each other as they move around on a dynamic Earth?

[Answered] What happens to the magnetic domains in a material when the material is placed in a strong magnetic field?

[Answered] Explain how light travels.