Maria stands on her bathroom scale and records the reading on the scale as her sister drops a 2.0-kg textbook is dropped into her hands. The reading on the scale every 0.05 seconds is recorded on the graph below. Estimate the speed the book was moving before it made contact with Maria's hands.

Q: lan's explanation more appropriate/correct?

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A: Given :     TrialForce(N)Acceleration(m/s2)1100.52201.03301.54402.05502.5

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A: Answer: (b)equal to the force the window exerts on the brick

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A:

Q: Bonita Cart Bonita is pulling a cart to the right. She does not realize that the cart is tied to a…

A: Given: Mass of cart = 35kg Mass of Bonita = 56 kg Pulling force (F) = 281 Newtons

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Q: A student has a body mass of 175.5 pounds. He steps onto a scale holding a 25.0-pound barbell. Which…

A: mass of student, M=175.5 Poundsmass of barbell,m=25.0 lbsNow, he steps onto a scale holding barbell.

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A:

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A:

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A:

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A: This is the problem of motion of object in inclined plane.

Q: Estimate the speed the book was moving before it made contact with Maria's hands.

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A: The velocity at t = 0.33 s is 0.22 m/s. The velocity at t = 0.37 s is -0.18 m/s.

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A:

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A: Step 1:Step 2:Step 3: Step 4:

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: