A ball slides off a table of height h = 1.1 m as shown below. Use the law of conservation of mechanicalenergy to find the speed of the ball when it reaches the floor. The initial speed of the ball is zero. Notethat the mass of the ball is not important, so calculate everything per unit of mass, or, if it helps, pick anyconvenient value for the ball's mass, for example, m 1 kg (show that it does not change the answer!).%3Dv,= 0hThe speed of the ball at the floor level, v1Units Select an answer ♥%3DWhat will be the speed of the ball at the floor if initially (on the table) the ball was sliding withVo = 1.54 m/s?%3Dg The speed of the ball at the floor level, v1Units Select an answervWhat will be the speed of the ball at the floor if initially (on the table) the ball was sliding withVo = 1.54 m/s?V.hThe speed of the ball at the floor level, v2 =Units Select an answer v%3DHow would you describe the energy transformation while the ball is sliding done?Select an answerQuestion Help: Message instructor D Post to forumSubmit Question

Answered: Image /qna-images/answer/9422a718-e9b6-41f6-89d1-41551f8de84b.jpg

A ball slides off a table of height h 1.1 m as shown below. Use the law of conservation of mechanical energy to find the speed of the ball when it reaches the floor. The initial speed of the ball is zero. Note that the mass of the ball is not important, so calculate everything per unit of mass, or, if it helps, pick any convenient value for the ball's mass, for example, m 1 kg (show that it does not change the answer!). V,= 0

A ball slides off a table of height h 1.1 m as shown below. Use the law of conservation of mechanical energy to find the speed of the ball when it reaches the floor. The initial speed of the ball is zero. Note that the mass of the ball is not important, so calculate everything per unit of mass, or, if it helps, pick any convenient value for the ball's mass, for example, m 1 kg (show that it does not change the answer!). V,= 0

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)...

See similar textbooks

Similar questions

3.1 m/s is the pace at which a 74 kilogram base runner begins his slide into second base during his at-bat. His clothing and the ground have a coefficient of friction of 0.70. Just before he hits the base, he slides so that his speed is at a complete halt. In terms of mechanical energy, how much does the runner lose owing to friction? He slides how far down?
A 2.0 kg object moves along the x-axis, from x = 0.0 m to x = 30. m, subject to a single force F, which is also directed along the same axis; the graph below shows Fas a function of x. If the velocity of the object is 2.0 m/s at x = 0.0 m, its kinetic energy at x = 30. m is (Enter your answer in units of J. Only enter the number using 2 significant figures.)
A 69.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 8.9 m/s. The goal of this problem is to find the maximum height she attains and her speed at half maximum height. Write the general equation for energy conservation and solve for the velocity at half the maximum height. Substitute and obtain a numerical answer.
Q ) What is the total mechanical energy of falling baseball from the highest of 4 m, 3.22 m and 2.25 m? For more informal, weight of the baseball is 0.3 kg and the gravity is 10 m's.
A 5.40-kg block is set into motion up an inclined plane with an initial speed of v; = 8.20 m/s (see figure below). The block comes to rest after traveling d = 3.00 m along the plane, which is inclined at an angle of 0 = 30.0° to the horizontal. (a) For this motion, determine the change in the block's kinetic energy. J (b) For this motion, determine the change in potential energy of the block-Earth system. J (c) Determine the friction force exerted on the block (assumed to be constant). N (d) What is the coefficient of kinetic friction?
In a downhill ski race surprisingly little advantage is gained by getting a running start. This is because the initial kinetic energy is small compared with the gain in gravitational potential energy even on small hills. To demonstrate this, find the final speed and the time taken for a skier who skies 60.0 m along a 25° slope neglecting friction for the following two cases. (Note that this time difference can be very significant in competitive events so it is still worthwhile to get a running start.) (a) starting from rest_____ final speed m/s_____ time taken s(b) starting with an initial speed of 2.50 m/s_____ final speed m/s_____ time taken s
A student is riding a bicycle at a constant speed on a level road. When apply the following energy principle to this question, assuming the system is student+bicycle+road+earth, which of the energy term is negative? Select all apply. ΔK + ΔUg + ΔUsp + ΔEth + ΔEch = Wexternal ΔK ΔUg ΔUsp ΔEth ΔEch Wexternal none of the above
Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The pulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline is μ = 0.27 and the blocks are released from rest, determine the change in the kinetic energy of block A as it moves from C to D, a distance of 24 m up the incline. Supporting Materials 37° B V
Rank the following bodies in order of their kinetic energy, from least to greatest along with reasons. (i) a 4.0-kg body moving at 10.0 m/s; (ii) a 2.0-kg body that initially was at rest and then had 60 J of work done on it; (iii) a 2.0-kg body that initially was moving at 8.0 m/s and then had 40 J of work done on it; (iv) a 4.0-kg body that initially was moving at 10 m/s and then did 80 J of work on another body.
A box is given a push across a horizontal surface. The box has a mass m, the push gives it an initial speed of V₁, and the coefficient of kinetic friction between the box and the surface is Mk. (a) Use energy considerations to find an expression for the distance the box moves before it stops. (Use any variable or symbol stated above along with the following as necessary: g.) d = 2μ8 (b) What If? If the initial speed of the box is increased by a factor of 4, determine an expression for the new distance dnew the box slides in terms of the old distance d. d
Same set-up for the conservation of energy was performed. The 5-g marble covered a horizontal distance of 40 cm from the edge of the ramp (horizontal) from an elevation of 15 cm above the ground. What is the time (in seconds) needed for the marble to fall from the edge of the ramp to the ground? Use g=9.8m/s2. Round off your answer to two decimal places.
Consider the following scenario. A car for which friction is not negligible accelerates from rest down a hill, running out of gasoline after a short distance (see below). The driver lets the car coast farther down the hill, then up and over a small crest. He then coasts down that hill into a gas station, where he brakes to a stop and fills the tank with gasoline. Identify the forms of energy the car has, and how they are changed and transferred in this series of events.