Review I Constants I Periodic Table A ledge on a building is 16 m above the ground. A taut rope attached to a 4.0-kg can of paint sitting on the ledge passes up over a pulley and straight down to a 3.0-kg can of nails on the ground. Part A If the can of paint is accidentally knocked off the ledge, what time interval does a carpenter have to catch the can of paint before it smashes on the ground? Express your answer with the appropriate units. E Value Units At = Request Answer Submit Provide Feedback Next>

Review I Constants I Periodic Table A ledge on a building is 16 m above the ground. A taut rope attached to a 4.0-kg can of paint sitting on the ledge passes up over a pulley and straight down to a 3.0-kg can of nails on the ground. Part A If the can of paint is accidentally knocked off the ledge, what time interval does a carpenter have to catch the can of paint before it smashes on the ground? Express your answer with the appropriate units. E Value Units At = Request Answer Submit Provide Feedback Next>

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Part A and B on paper
Constants I Periodic Table A 1040 kg car and 4880 kg truck undergo a perfectly inelastic collision. Before the collision, the car was traveling southward at 1.75 m/s, and the truck westward at 8.05 m/s Part A . Find the velocity of the wreckage immediately after the collision Enter the x and y components of the velocity separated by a comma. Assume that the positive x and y axes are directed eastward and northward, respectively ΑΣφ ? m/s y Request Answer Submit
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Item 2 TIME'S UP (< 2 of 5 Object B is at rest when object A collides with it. The collision is one-dimensional and elastic. After the collision object B has halt the velocity that object A had before the collision. Constants Part A Which object has the greater mass? Both objects have the same mass. Object B has a greater mass than object A. Object A has a greater mass than object B. It is impossible to determine which object has a greater mass. Submit Previous Answers Not completed before the time limit Part B Complete previous part(s) • Part C If the velocity of object A before the collision was 6.0 m/s to the right, what is its velocity after the collision? Express your answer with the appropriate units. Enter positive value if after the collision object A is moving in the same direction as before the collision, and negative value if object A is moving in a direction opposite to its original direction. HA ? VA- Value Units Submit Previous Answers Not completed before the time limit…
Part A A 22-g bullet traveling 260 m/s penetrates a 1.6 kg block of wood and emerges going 130 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges? Express your answer to two significant figures and include the appropriate units. HÀ Value Units Submit Request Answer Provide Feedback • Previous wsics.com/myct/itemView?assignmentProblemID=167202732&offset=next Co G Search or type URL & 8 9
Constants I Periodic Table A 900 kg car is at the top of a 32 m -long, 2.5 incline. Its parking brake fails and it starts rolling down the hill. Halfway down, it strikes and sticks to a 1130 kg parked car. Part A lgnoring friction, what's the speed of the joined cars at the bottom of the incline? Express your answer to two significant figures and include the appropriate units. Value Units Request Answer Submit Part B What the first car's speed would have been at the bottom had it not struck the second car. Express your answer to two significant figures and include the appropriate units. ?
Part A An object initially at rest breaks into two pieces as a result of an explosion. One piece has four times the kinetic energy of the other piece. The ratio of the larger mass to the smaller mass (marger'msmaller) is (enter your answer to one significant figure) 0.3 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Next > Provide Feedback
Car Striking a A 1000 kg vehicle traveling at 30 m/s smashes into a tree and comes to rest as shown. The front of the car is compressed a distance of 0.3 m. What is the time interval, At of the collision? (Assume the net force exerted by tree on the car is constant over time interval) A. 1.00 s B. 0.20 s C. 0.10 s D. 0.02 s E. 0.01 s
Constants I Periodic Table -27 A proton (mass 1.67 x 10 2kg) is moving at 1.30 -6 x 10m/s directly toward a stationary helium Part A -27 nucleus (mass 6.64 x 10 2kg). After a head-on elastic collision, what is the proton's velocity? Express your answer with the appropriate units. HA Value Units V = Request Answer Submit Part B After a head-on elastic collision, what is the helium's velocity? Express your answer with the appropriate units. ? HA Value Units
Cor A 1.6 kg object moving at 1.5 m/s collides elastically with a stationary 1.6 kg object, similar to the situation shown in the figure (Figure 1). Part A How far will the initially stationary object travel along a 37° inclined plane? (Neglect friction.) Express your answer using two significant figures. Figure < 1 of 1 m = P Previous Answers Request Answer Submit 2.0 kg 1.0kg 10 m/s 37° X Incorrect; Try Again; 6 attempts remaining
3-D Explosion Group Challenge A large bomb was planted on a train and it exploded into eight pieces! The mass and velocity of each piece (relative to the ground) is given in the table below. All the masses are in kilograms and the velocities are in m/s. Determine the velocity of the train at the moment the explosion occurred. This is not actually that much work. Let's make SURE that the answer is totally correct, neat and clear. It is to be submitted before the start of the next class, one per group. Group m1 v1 m2 v2 m3 v3 m4 v4 m5 v5 m6 v6 m7v7 m8 v8 115 [E] 2.5 5.5 W10S) 1.25 12 (DOWN) 2.8 6.5 (N30E] 1.75 8.5 0.75 24 (UP) 1.35 13 [S25W) 2.15 6.5 [W45N] IIE75S1