A small mass m slides with negligible friction down an incline at an angle of 25.76° with respect to the horizontal. It then drops down to a horizontal surface and bounces elastically back up as shown. The picture is to scale. It shows the position of the mass at equal time intervals starting from rest at V. The height of the mass at U is the same as at T. Click here to view the motion of the mass m. • The size of the total force on m at R is greater than at Q. • The size of the total force on m at P is less than • The speed change between V and X is less than • The mechanical energy of m at Q is greater than that at U. • The velocity of m at T is equal to • The speed of m at P is equal to The mass is in contact with the ground for a very brief time. Elastically implies that no energy is lost. Submit Answer - at X. - between X and S. - that at U. - that at Q. Incorrect. Tries 3/10 Previous Tries

A small mass m slides with negligible friction down an incline at an angle of 25.76° with respect to the horizontal. It then drops down to a horizontal surface and bounces elastically back up as shown. The picture is to scale. It shows the position of the mass at equal time intervals starting from rest at V. The height of the mass at U is the same as at T. Click here to view the motion of the mass m. • The size of the total force on m at R is greater than at Q. • The size of the total force on m at P is less than • The speed change between V and X is less than • The mechanical energy of m at Q is greater than that at U. • The velocity of m at T is equal to • The speed of m at P is equal to The mass is in contact with the ground for a very brief time. Elastically implies that no energy is lost. Submit Answer - at X. - between X and S. - that at U. - that at Q. Incorrect. Tries 3/10 Previous Tries

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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MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Two blocks are connected by a light string that passes over a frictionless pulley as in the figure below. The system is released from rest while m, is on the floor and m, is a distance h above the floor. (a) Assuming m, > m2, find an expression for the speed of m, just as it reaches the floor. (Use any variable or symbol stated above along with the following as necessary: g.) (b) Taking m,- 6.9 kg, m, = 3.9 kg, and h- 3.5 m, evaluate your answer to part (a) m/s (c) Find the speed of each block when m, has fallen a distance of 1.2 m. m/s
Hi, please someone help me on this. I hope my question does not get sent back for the third time again. In this photo, I want you guys to estimate her mass in kg and her height in meters and follow the other two bullets, thank you
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As represented in the diagram below, Block A with a mass of 100. grams slides to the right at 4.0 meters per second and hits stationary block B with a mass of 150. grans. After the collision, block B slides to the right and block A rebounds to the left at 1.5 meters per second [neglect friction] Calculate the speed of the block of Block B after the collision.
Item 27 27 of 27 I Review | Constants Sphere A, of mass 0.600 kg, is initially moving to the right at 4.00 m/s. Sphere B, of mass 1.80 kg, is initially to the right of sphere A and moving to the right at 2.00 m/s. After the two spheres collide, sphere B is moving at 3.00 m/s in the same direction as before. (a) What is the velocity (magnitude and direction) of sphere A after this collision? (b) Is this collision elastic or inelastic? (c) Sphere B then has an off-center collision with sphere C, which has mass 1.60 kg and is initially at rest. After this collision, sphere B is moving at 19.0° to its initial direction at 1.60 m/s. What is the velocity (magnitude and direction) of sphere C after this collision? (d) What is the impulse (magnitude and direction) imparted to sphere B by sphere C when they collide? (e) Is this second collision elastic or inelastic? (f) What is the velocity (magnitude and direction) of the center of mass of the system of three spheres (A, B, and C) after the…
Perhaps in the distant future skateboards might be replaced by hoverboards, though it is not clear what mechanism the hoverboard "skaters" might use to control their hovering boards. Whatever mechanism that might be, the skaters in the following problem are skating with the control mechanism turned off! In other words, they have the capability of completely frictionless motion in a horizontal plane, but absolutely no control of their speed or direction (except by colliding with objects at the hoverpark or with each other). We will assume that (at least at the hoverpark) the force that makes the boards hover is a purely magnetic repulsion between the boards and the hoverpark surface. You can see a video of a primitive version of a hoverpark here. Esteban and Jessica's twin granddaughters, Emma and Clarita, are preternaturally talented at riding hoverboards. One fine day, the young twins, each riding her own hoverboard, are cruising across the hoverpark arm-in-arm. The mass of each twin…
Current Attempt in Progress The force F is directed from A toward D and D is allowed to move from B to C as measured by the variable s. Consider the projection of Fonto line EF as a function of s. In particular, determine and plot the fraction n of the magnitude F which is projected as a function of s/d. Note that s/d varies from 0 to √6.13. After you have the plot, answer the questions. Assume a = 1.7d, b = 1.8d. d F b Questions When s/d = 0.64, n = When s/d = 1.24, n= When s/d = 2.07, n= D E B i i i a F
• BE SURE TO ANSWER AND LABEL ALL PARTS OF EACH QUES TION. • Show all your work. • If you do the work in your head, explain in writing how you did the work. a. According to Newton's third law of motion, how are action and reaction forces related? What would happen if you tried to catch a ball when you were standing on roller skates? b. What is momentum and what is the momentum of a parked car? c. Why is it important for drivers to allow more distance between their cars when they travel at faster speeds? I E Previous Question Flag for review Finish anc O Type here to search DELL 立

• First, edit the following diagram to show all the forces that are acting on the can, as well as to label the dimensions of the setup with the appropriate variables (R, Ax, h, 0). Hint: there are three distinct forces acting on the can.