After reading the physics question below, choose one of the answers listed. Water park enthusiasts have made their own looped water slide: They think that (ignoring friction) as long as the top of the loop is below their initial starting point on the roof, they should make it around the loop. Assuming the ramp was indeed frictionless, is their assumption correct? Pick one of the following answers. 1) Yes 2) No

After reading the physics question below, choose one of the answers listed. Water park enthusiasts have made their own looped water slide: They think that (ignoring friction) as long as the top of the loop is below their initial starting point on the roof, they should make it around the loop. Assuming the ramp was indeed frictionless, is their assumption correct? Pick one of the following answers. 1) Yes 2) No

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A cart with mass m is held at rest against a spring with spring constant k. It is compressed a distance x. When released from rest, it is launched through a frictionless track. It contains a vertical loop 7. with a radius of R. Find the force the track exerts on the cart when the cart goes through the top of the loop in terms of m, k, F, and R and any other constants. R k m
A string can support a stationary hanging load of mass 25 kg before breaking. a) Calculate the maximum tension that the string can support. b) Suppose one end of the string is attached to an object of mass m = 3 kg, while the other end is fixed to the center of a frictionless table as shown in the figure. When given an initial speed, the object moves along a horizontal circle of radius R = 0.8 m. Calculate the maximum speed the object can have before the string breaks.
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A small block, initially at rest at point A, slides down a curve leading to a half-circle of radius R 6.75 m. The surface is frictionless, with the exception of a horizontal segment BC of length s=22.5 m, which has the coefficient of friction equal u=0.145. A. What is the minimal height (h) for which the block reaches the top of the semicircle, point D? B. For the minimal height calculated in Part (a), what is the speed at point C? Please answer both A and B.
Use conservation of energy to solve both parts of the following problem (initial kinetic energy + initial gravitational potential energy = final kinetic energy + final gravitational potential energy): A skydiver with a mass of 80.0 kg steps out of a hot-air balloon holding at an altitude of 1.00 km and opens their parachute at an altitude of 200. m. While they’re in free-fall, there is a total drag force of 50.0 N on them. Once the parachute has opened, there is a total drag force of 3.60 kN on them. (y = 0 at 200. m) (a) How fast is the skydiver going when they open their parachute? (b) How fast will they be going once they touch down?
Three different objects, all with different masses, are initially at rest at the bottom of a set of steps. Each step is of uniform height d. The mass of each object is a multiple of the base mass m: object 1 has mass 4.60m, object 2 has mass 2.21m, and object 3 has mass m. When the objects are at the bottom of the steps, define the total gravitational potential energy of the three-object system to be zero. If the objects are then relocated as shown, what is the new total potential energy of the system? Each answer requires the numerical coefficient to an algebraic expression. Each algebraic expression is given using some combination of the variables m, g, and d, where g is the acceleration due to gravity. Enter only the numerical coefficient. (Example: If the answer is 1.23mgd, just enter 1.23) This potential energy was calculated relative to the bottom of the stairs. If you were to redefine the reference height such that the total potential energy of the system became zero, how high…
Which of the following changes will result in an increase in the total gravitational potential energy of the three books? Move Book A so that it is on the upper shelf, to the right of Book B. Move Book A so that it is on the lower shelf, to the left of Book C. Move Book B so that it is on the lower shelf, to the left of Book C. Move Book C so that it is on the upper shelf, to the right of Book B.
Fundamentals of Physics, 11th Edition, Custom WileyPLUS Course for West Help | System Announcements PRINTER VERSION 1 BACK NEXT Chapter 08, Problem 057 GO In the figure, a 3.9 kg block slides along a track from one level to a higher level after passing through an intermediate valley. The track is frictionless until the block reaches the higher level. There a frictional force stops the block in a distance d. The block's initial speed is vo = 6.0 m/s, the height difference is h = 0.97 m, and Hy = 0.65o. Find d. l = 0- Number Units the tolerance is +/-5% LINK TO TEXT LINK TO SAMPLE PROBLEM VIDEO MINI-LECTURE Question Attempts: 0 of 5 used SAVE FOR LATER SUBMIT ANSWER
You are using a modified block and tackle pulley system to lift a concrete block. You need to lift the concrete block (mass = 200 kg) a distance of 5 meters upward. The system is designed to reduce the force load of 4. How much rope must you pull down on the other side of the pulley to lift the block the proper distance? Hint: There is a very simple way to solve this if you remember that work in = work out.