The figure gives experimentally measured B vs. H variation in a ferromagnetic material. The retentivity, coercivity, and saturation, respectively, of the material, are :

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Ankit LalLv10

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In Fig. 4-48a, a sled moves in the negative x direction at constantspeed vs while a ball of ice is shot from the sled with a velocityrelative to the sled. When the ball lands, its horizontaldisplacement ?xbg relative to the ground (from its launch positionto its landing position) is measured. Figure 4-54b gives ?xbg as afunction of vs. Assume the ball lands at approximately its launchheight. What are the values of (a)v0x and (b)v0y? The ball'sdisplacement ?xbs relative to the sled can also be measured. Assumethat the sled's velocity is not changed when the ball is shot. Whatis ?xbs when vs is (c) 15 m/s and (d) 25 m/s?

InFig. 4-48a, a sled moves in the negative x direction at constantspeed vs while a ball of ice is shot from the sled with a velocityrelative to the sled. When the ball lands, its horizontaldisplacement ?xbg relative to the ground (from its launch positionto its landing position) is measured. Figure 4-54b gives ?xbg as afunction of vs. Assume the ball lands at approximately its launchheight. What are the values of (a)v0x and (b)v0y? The ball'sdisplacement ?xbs relative to the sled can also be measured. Assumethat the sled's velocity is not changed when the ball is shot. Whatis ?xbs when vs is (c) 15 m/s and (d) 25 m/s?

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The figure gives experimentally measured B vs. H variation in a ferromagnetic material. The retentivity, coercivity, and saturation, respectively, of the material, are :

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Physics: Principles with Applications

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