Formula W=Fd F = Force d = displaceme The in cowar downward direction (F= mg) of the backpack will be directed weight (F. The displacement of the backpack along the vertical direction is zero, d=0

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Q: G01

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Q: U = 1/(4ne.) qıq2/d q. and q: : d:

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Q: (a) Number i Units (b) Number i Units (c) Number i Units > >

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Q: 150 lb, 110 lb A 120 lb

A:

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Q: 1) If the speed of sound @ 20°C is 343 m/s, what is that equivalent to in miles per hour? CON vert

A: The speed of sound at 20oC = 343 msTo convert : The speed of sound at 20oC to miles per hour

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Q: PE = kx'/2 PE, Egla c. d. =hc/. Туре? Туре? a = F/m f. KE = (1/2)mv? KE e. a F m Type? Type?

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Q: None

A: Step 1: Step 2: Step 3: Step 4:

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!