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An object of mass m = 0.720 kg is suspended from the ceiling of an accelerating truck as in the figure below. Take a = 3.40 m/s. (a) Find the angle e (in degrees) that the string makes with the vertical. (b) Find the tension T (in N) in the string. What If? The truck returns to a constant velocity so that the mass hangs straight down inside the truck, whereby e = 0. Later, the truck carefully slows down. During this braking maneuver, the string is observed to make a constant angle of e = 23.0° with the vertical. (c) What is the acceleration of the truck (in m/s2) while it is braking? m/s2 (d) What is the direction of the deflection of the string while the truck is braking? O forward O backward

An object of mass m = 0.720 kg is suspended from the ceiling of an accelerating truck as in the figure below. Take a = 3.40 m/s. (a) Find the angle e (in degrees) that the string makes with the vertical. (b) Find the tension T (in N) in the string. What If? The truck returns to a constant velocity so that the mass hangs straight down inside the truck, whereby e = 0. Later, the truck carefully slows down. During this braking maneuver, the string is observed to make a constant angle of e = 23.0° with the vertical. (c) What is the acceleration of the truck (in m/s2) while it is braking? m/s2 (d) What is the direction of the deflection of the string while the truck is braking? O forward O backward

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An object of mass m = 0.720 kg is suspended from the ceiling of an accelerating truck as in the figure below. Take a = 3.40 m/s?. (a) Find the angle 0 (in degrees) that the string makes with the vertical. (b) Find the tension T (in N) in the string. N What If? The truck returns to a constant velocity so that the mass hangs straight down inside the truck, whereby 0 = 0. Later, the truck carefully slows down. During this braking maneuver, the string is observed to make a constant angle of 0 = 23.0° with the vertical. (c) What is the acceleration of the truck (in m/s2) while it is braking? m/s2 (d) What is the direction of the deflection of the string while the truck is braking? O forward O backward
Transcribed Image Text:An object of mass m = 0.720 kg is suspended from the ceiling of an accelerating truck as in the figure below. Take a = 3.40 m/s?. (a) Find the angle 0 (in degrees) that the string makes with the vertical. (b) Find the tension T (in N) in the string. N What If? The truck returns to a constant velocity so that the mass hangs straight down inside the truck, whereby 0 = 0. Later, the truck carefully slows down. During this braking maneuver, the string is observed to make a constant angle of 0 = 23.0° with the vertical. (c) What is the acceleration of the truck (in m/s2) while it is braking? m/s2 (d) What is the direction of the deflection of the string while the truck is braking? O forward O backward
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