A 250 gram block on a 30 deg inclined plane is attached by an inextensible string going over a frictionless pulley to a 500 gram hanging weight. The static and kinetic friction coefficients are .25 and .123. What is the acceleration of the blocks in cm/s2 376 563.7 455.2 O 292.4 192.4
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- A 25kg wooden plate is held in place by two strings attached to the ceiling and the wall. The string attached to the ceiling makes an angle 40o with the horizontal and the string attached to the wall makes 90o with the wall. Determine the force in each string.A 250 gram block on a 30 deg inclined plane is attached by an inextensible string going over a frictionless pulley to a 500 gram hanging weight. The static and kinetic friction coefficients are .25 and .123. While moving, what is the tension ii the connecting string? O 174530 dynes O 121000 dynes O 262400 dynes O 7430 dynes O 42930 dynesAn object with a mass of 1.76 kg is initially at rest upon a horizontal, frictionless surface. An applied force of 3.04 N i acts on the object for 2.08 s. What is the object's final speed? Enter a number rounded to 2 decimal places and assume the answer has proper SI Units.
- You want to use a rope to pull a 12 kg box of books up a plane inclined 30 degrees above the horizontal. The coefficient of kinetic friction is 0.28.The rope pulls parallel to the incline. What force do you need to exert on the rope if you want to pull the box with a constant acceleration of 0.50 m/s squared yp the plane?1 V:IV H.W.docx H.W: Two boxes are connected by a cord running over a pulley. The coefficient of kinetic friction between m, (5kg) and the table is 0.20. We ignore the mass of the cord and pulley and any friction in the pulley, which means we can assume that a force applied to one end of the cord will have the same magnitude at the other end. We wish to find the acceleration, a, of the system, which will have the same magnitude for both boxes assuming the cord doesn't stretch, As m (2Kg) move down, m,move to the right. m. د قوة الشد Tو تسارع النظام .a علما بأن البكرة مهملة الكتلة والاحتكاك؟ 出 1A push of magnitude P acts on a box of weight W as shown in the figure. The push is directed at an angle 0 below the horizontal, and the box remains a rest. The box rests on a horizontal surface that has some friction with the box. The normal force on the box due to the floor is equal to: O W + P cos 0. O W + P sin 0. OW-P sin 0. O W + P. O W. W 0 P
- If a 6.0 x 10-3-N triction force opposes the transporter's motion, what must be the magnitude of Q to make the transporter move with an initial acceleration of 1.0 m/s??1 V:IV H.W.docx H.W: Two boxes are connected by a cord running over a pulley. The coefficient of kinetic friction between m, (5kg) and the table is 0.20. We ignore the mass of the cord and pulley and any friction in the pulley, which means we can assume that a force applied to one end of the cord will have the same magnitude at the other end. We wish to find the acceleration, a, of the system, which will have the same magnitude for both boxes assuming the cord doesn't stretch. As m; (2Kg) move down, m, move to the right. m. د قوة الشد Tو تسارع النظام .a علما بأن البكرة مهملة الكتلة والاحتكاك؟ 出 l20 Son la 1A 1520-N crate is to be held in place on a ramp that rises at 30.0° above the horizontal (see figure). The massless rope attached to the crate makes a 22.0° angle above the surface of the ramp. The coefficients of friction between the crate and the surface of the ramp are uk = 0.450 and ls = 0.650 The pulley has no appreciable mass or friction. What is the MAXIMUM weight w that can be used to hold this crate stationary on the ramp? w = ? 22.0° Crate Ramp 30.0°
- A block with mass m starting from rest at point A is sliding down a rough incline with kinetic coefficient of friction µ. The incline has angle 0 with respect to the horizontal sur- face. As the block slides down for a distance O 1. KB = m gs cos 0 – µ mgs cos 0 8, it passes point B. O 2. KB = mgs sin 0 + µ m gs sin 0 O 3. KB = mgs cos0 – µm gs sin 0 m O 4. KB = mgs sin 0 + µ mgs cos 0 v =0 O 5. KB = mgs sin 0 – µm g s sin 0 m О6. Кв — тgs sin@ — дтдs cos® B O 7. KB = m gs cos 0 + µ mgs cos 0 O 8. KB = m gs cos 0 + µ mgs sin 0 Find the kinetic energy of the block as it passes B.1 2 B → ✰ S 1 4 https://mapleton.instructure.com/courses/16703/assignments/300550 1 point A 1kg flower is pushed by a force of 1N. How fast (in m/s2)does it accelerate? Type your answer... A Submit For these questions, assume that the acceleration due to gravity (g) on Earth is 10 m/s². Also assume that there is no friction or air resistance acting on any of these systems. E 1 point A 23kg statue sits on a table. What is the statue's weight in Newtons? Type your answer... 2 1 point A speeding car is pulled over by a police cruiser. If the car started at 60 m/s and stopped in 20 seconds. If the car has a mass of 1,800Kg, how much force (in Newtons) was exerted by the car's breaks? Type your answer... 3 1 point A moose pushes a 10kg rock, accelerating it from rest to 10m/s in 1 second (This is an acceleration of 10m/s2). What was the applied force in Newtons? Type your answer... Return 4A fish of mass 1kg is lying still on an inclined plane at 3o degrees above the horizontal. the magnitude of the normal force exerted by the plane on the fish is. 0N 9.8N 8.5 N 4.9N