. A 0.50 kg laboratory dynamics cart with an initial velocity of 3.0 m/s [right] accelerates for 2.0 s at 1.2 m/s² [right] when pulled by a string. Assume there is no friction acting on the cart. (a) Calculate the force exerted by the string on the cart. [ans: 0.60 NJ (b) Calculate the displacement of the cart. [ans: 8.4 m) (c) Calculate the mechanical work done by the string on the cart. [ans: 5.0JJ

. A 0.50 kg laboratory dynamics cart with an initial velocity of 3.0 m/s [right] accelerates for 2.0 s at 1.2 m/s² [right] when pulled by a string. Assume there is no friction acting on the cart. (a) Calculate the force exerted by the string on the cart. [ans: 0.60 NJ (b) Calculate the displacement of the cart. [ans: 8.4 m) (c) Calculate the mechanical work done by the string on the cart. [ans: 5.0JJ

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Description: Practice1. A 0.50 kg laboratory dynamics cart with an initial velocity of 3.0 m/s [right] accelerates for 2.0 sat 1.2 m/s² [right] when pulled by a string. Assume there is no friction acting on the cart. ™(a) Calculate the force exerted by the strin

University Physics Volume 1

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Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

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Problem 26P: In a tug-of-war game on one campus, 15 students pull on a rope at both ends in an effort to displace...

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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:

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1. A 0.50 kg laboratory dynamics cart with an initial velocity of 3.0 m/s [right] accelerates for 2.0 s
at 1.2 m/s² [right] when pulled by a string. Assume there is no friction acting on the cart. ™
(a) Calculate the force exerted by the string on the cart. [ans: 0.60 N]
(b) Calculate the displacement of the cart. [ans: 8.4 m]
(c) Calculate the mechanical work done by the string on the cart. [ans: 5.0 J

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