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3. A 5 kg block is initially at rest on a horizontal frictionless surface. Two forces, F = (4 – x²)î and F, = 4j are now applied to the block, where x is in meters and the magnitude of both forces is in newtons. The initial position of the block is at x = 0. (a) Will F, do any work to the block as it travels along the x axis? Explain your answer. Will F, do any work to the block as it travels along the x axis? Explain your answer. What is the kinetic energy of the block as it passes through x What is the maximum kinetic energy of the block between x = 0 m and x = 3.0 m? Will the block reach the region x < 0? Explain your answer. 3.0 m? (c) (d) (e) %3D

3. A 5 kg block is initially at rest on a horizontal frictionless surface. Two forces, F = (4 – x²)î and F, = 4j are now applied to the block, where x is in meters and the magnitude of both forces is in newtons. The initial position of the block is at x = 0. (a) Will F, do any work to the block as it travels along the x axis? Explain your answer. Will F, do any work to the block as it travels along the x axis? Explain your answer. What is the kinetic energy of the block as it passes through x What is the maximum kinetic energy of the block between x = 0 m and x = 3.0 m? Will the block reach the region x < 0? Explain your answer. 3.0 m? (c) (d) (e) %3D

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Please only answer part (d) and (e)

Answer of (a) : Yes

Answer of (b) : No

Answer of (c) : 3J

3. A 5 kg block is initially at rest on a horizontal frictionless surface. Two forces, F = (4 – x²)i and F, = 4j are now applied to the block, where x is in meters and the magnitude of both forces is in newtons. The initial position of the block is at x = 0. Will F, do any work to the block as it travels along the x axis? Explain your answer. Will F, do any work to the block as it travels along the x axis? Explain your answer. What is the kinetic energy of the block as it passes through x = 3.0 m? What is the maximum kinetic energy of the block between x = 0 m and x = 3.0 m? Will the block reach the region x < 0? Explain your answer. (а) (b) (c) (d) (e)
Transcribed Image Text:3. A 5 kg block is initially at rest on a horizontal frictionless surface. Two forces, F = (4 – x²)i and F, = 4j are now applied to the block, where x is in meters and the magnitude of both forces is in newtons. The initial position of the block is at x = 0. Will F, do any work to the block as it travels along the x axis? Explain your answer. Will F, do any work to the block as it travels along the x axis? Explain your answer. What is the kinetic energy of the block as it passes through x = 3.0 m? What is the maximum kinetic energy of the block between x = 0 m and x = 3.0 m? Will the block reach the region x < 0? Explain your answer. (а) (b) (c) (d) (e)
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