2. Pauline pushed a 35 kg shopping cart with a parallel force of 60 N over a distance of 80 meters in 180 seconds. Answer Show your work A. Calculate her work. Answer Show your B. Calculate the power she used to push the cart. work
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- A person doing a chin-up weighs 700 N, exclusive of the arms. During the first 25.0 cm of the lift, each arm exerts an upward force of 355 N on the torso. If the upward movement starts from rest, what is the persons velocity at that point?fictionless table. Each has t7.0ucof, brpratans 29TWO 1.OKg masser are 1.Omamit apu on a stonless table.Cach has troucor Charpe. a).hat is The magnitude of the 27the D.Whatis the initial ac massif-they electicforce on one of the masses? acceleration f each of are released andallowedd to move? #15 10 figure PLD.15, charge expertences no charge to nefelectic fir ce. What is 92 -2.0nC 10cm 10cm 25.What are the Strength and direction of the electric fielfatthe poslion ation fos by the dot in figuce Po0.25P Specefy the indirated ఆ్-e ఆప్రస5గ drection as an angle or belaw angle above herizenta /.Please don't write in a paper. I can't understand handwritten. 3. A ball with a mass of 0.6 kg hits a wall with a velocity of 10 m/s. Wall applies 4000 N force to the ball and it turns back with 5 m/s velocity. Find the time of ball-wall contact. 4. A ball was thrown horizontally from the edge of the table at a velocity of 4 m/s. If the table is 2 m high, what is the ball's velocity just before it hits the ground? 5. A ball was thrown horizontally from the ed of the table at a velocity of 4 m/s. If the table is 2 m high, what is the ball's velocity just before it hits the ground?
- 2.4 0.050 kg yo-yo to swoing on a vertical carcie on the end of ²+J 0.30m long String at the slowest speed that the yo-yo can have and Jfall make the carcie. 0. What is this speed? Include a labelled free-body d'agram with your answer. 23 b. What was the maximum tension in the string be when the or a vertices Carcie at this spees? Where will this maximum tension occur? Include a fabelled free-body diagram with yo-yo swung answer. yourTwo blocks, M=8.00 kg and m-2.00 kg are touching and moving across a rough floor (Uk-0.12 at a speed of 4.0 m/s when a force acts on the blocks as shown. The force FO= 68 N directed 52 degrees below the horizontal, as shown. The two blocks are touching so the system can be treated as a single 10.0 kg block which we will call MT. This will apply for questions 13 thru 18.tquation. 19) When putting a Ron Artest action figure, you use a force of 264.ON. Your foot is in contact With a figure for.3700s andit travels at a2.68 mls after you Rick it. what is the mass of Mr. Wond Peace 2 Equation: INFarmBureau.com
- A small block is resting on a rough incline. There is a rope attached to the block that is pulling on it up the incline. Analyze the free body diagram provided and identify the forces. Be as specific as you can. Each correctly identified force is worth marks. 12 y, C. 'D 1. Gravitational Force 2. Spring Force B. 3. Теnsion 4. Normal Force 5. Static Friction 6. Kinctic Friction 7. Drag 8. Thrust B.10.0 kg ver an experience "space sickHUL! changes in their bodies. What Have I Learned So Far? There are two carts hanging ona string that weigh 5 kg and 10 kg through a frictionless pulley as shown in the given figure. dalaw 5.0 kg 30° 1. What is the tension along the string? 2. Describe the acceleration of the two blocks. 3. Suppose the system is initially at rest with the heavier block at 2.5 meters above the ground. How long will it take for this block to reach the ground?nl 4. What is the velocity of the heavier block before it hits the ground? Newton's second provides explanation for why 2 m law an m4. A force of 25 newtons east and a force of 25 newtons west act concurrently on a 5-kilogram cart. What is the acceleration of the cart? 1. 1.0 m/s? west 2. 0.20 m/s² east 3. nism ertt othw bns oeblv ert nimax 5.0 m/s² east 4. O m/s? Explain
- 13. Camping equipment weighing 6000 N is palled teo en lako he means of a horizontal 2ope The coefficiont of kinetie frietion is 006 How ich work in done by the campera in pulling the equipnent 1000m if it speedis inereing at the constint rate of 0.20m/s? A. HL2x10 B 18 103 C 30x10 J D 4.2 x 10 E 12 10J ane D1. Suppose a 3.7 slug gymnast isclimbing.arope. Part A: Whatis the ten siun in the rope, in onds it he climbs at a constantt Speed? PartB: What is the TenSion in he rope in goundst he accelerater ueward a miratarate 074.9s?A net force of 15kg object is moving with an acceleration of 5 m/s?. The net force acting on the object is O a. 75N O b. 9.8N с. 3N d. 0.333N