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- Problem 14 A 15 kg box is initially sliding across a frictionless floor with a constant speed of 2.5 m/s. Then, the box encounters a rough surface and travels for 12 meters before coming to a stop. What is the coefficient of kinetic friction between the box and rough surface?PROBLEMI The 260kg crate shown in the figure rests on a horizontal surface for which the coefficient of kinetic friction is 025. If the crate is subjected to a 400 N towing force as shown determine the velocity of the crate in 5 s starting from rest PROBLEM 2 PROBLEM 3 The 80 kg block A shown in Figure is released from rest If the masses of the puleys and the cord are neglected determine the speed of the 12 kg block B in 38 m₁ P = 400 N IIA 8 = 30° 30° Consider the masses m, 20 kg and m, 18 kg in the system represented by the figure below. If the coefficient of friction is Of and the inclination angle is 30°, find the acceleration of the system and the tension in the cord joining two masses Datum m₂Draw a free body diagram for the block and label all the forces acting on it. Calculate the minimum acceleration necessary to keep the block from falling.
- The 20-g bullet is travelling at 400 m/s when it becomes embedded in the 2-kg stationary block. The coefficient of kinetic friction between the block and the plane is = 0.4. (Eigure 1) Figure 400 m/s O 1 of 1 Part A Determine the distance the block will slide before it stops. Express your answer to three significant figures and include the appropriate units. S = Value Submit μA Provide Feedback Request Answer Units ?Final position kv A small block of mass m slides to the left on a frictionless, horizontal surface with speed v. Then, the block slides up a m rough ramp that has an incline angle of 0. The coefficient of The Rough surface H. kinetic friction between the ramp and box is Initial position acceleration due to gravity is g. Frictionless surface What is the height h of the block when its speed up the ramp equals kv, where 0 < k < 1? h = help contact us terms of use privacy policy careers about us3.2.2 Represent and reason Two blocks are connected with a light string that runs over two light pulleys.
- A 4.8-m-long rope of mass 1.8 kg hangs from a ceiling.Current Attempt in Progress A 18-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 22 N. Starting from rest, the sled attains a speed of 2.5 m/s in 9.2 m. Find the coefficient of kinetic friction between the runners of the sled and the snow. Number i eTextbook and Media GO Tutorial Save for Later Units Attempts: 0 of 4 used Submit AnswerA weight hangs on a frictionless pulley as shown in the figure.a.) What is the tension on the pulley strut?b.) What is the value of angle B?