PHYSICS 1L03 Lecture : Tutorial 5.pdf

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Fifth series: questions on newton"s laws: a car traveling 72. 0 km/h along a straight, level road is brought uniformly to a stop in a distance of. 40. 0 m. if the car weighs 8. 8 x 103 n, what is the braking force: a crate has a mass of 24 kg. What applied force is required to produce an acceleration of 3 m/s2 if the frictional force is known to be 90 n: a 2010 kg elevator moves with an upward acceleration of 1. 5 m/s2. Ignore friction: a brick of mass 1. 0 kg slides down an icy roof inclined at 30. 0o with respect to the horizontal. Ignore friction: two blocks are connected by a cord that does not stretch. If the masses are m1=26. 0 kg and m2=42. 0 kg, what are the accelerations of each block and the tension in the cord: consider the skier on a slope of 25 o shown in figure.

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