33. The spring constant of the spring below is 600 N/m. An object attached to it has a mass of 2.0 kg and is pulled 0.80 m to the right and released at time t=0. What is the first time (in milli-seconds) at which the kinetic energy is one-fourth the spring's potential energy? (a) 47.5 (b) 59.7 2.0 kg X=0 600 N/m (c) 26.8 (d) 22.4 (e) none of these 0 www. 0.80 m

33. The spring constant of the spring below is 600 N/m. An object attached to it has a mass of 2.0 kg and is pulled 0.80 m to the right and released at time t=0. What is the first time (in milli-seconds) at which the kinetic energy is one-fourth the spring's potential energy? (a) 47.5 (b) 59.7 2.0 kg X=0 600 N/m (c) 26.8 (d) 22.4 (e) none of these 0 www. 0.80 m

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

4. A 3kg block sits on a ramp, against a spring. I pull back on the block, compressing the string by 4cm, and the block moves 1.4m up the ramp, so that it is 0.5m higher than it was before, before it stops. If the force of kinetic friction on the block from the ramp is K = 7N, find the spring constant k. Ef = Ei 0.5m + 1.4m W
Asap
A 0.1 kg disk is shot across a frictionless horizontal surface by compressing it against a spring and releasing it. The spring has a spring constant of 380 N/m and is compressed from its equilibrium position by 6.2cm when the disk to a complete stop. As the disk gets released from the spring, what will be the speed (in m/s) of the disk when the spring is compressed by 3.8cm?
A 1.00-kg mass is attached to a spring hanging vertically and hangs at rest in the equilibrium position. The spring constant of the spring is 1.00 N/cm. The mass is pulled downward 2.00 cm and released. What is the speed of the mass when it is 1.00 cm above the point from which it was released? 0.0443 m/s 1.73 m/s 1.67 m/s 0.0201 m/s The mass will not reach the height specified.
7. A 60 Kg woman is attached to a bungee cord with an unstretched length of 12m. She jumps off a tower; from a height of 70 m. When she finally stops, the cord has a stretched length of 37m. Assuming the spring constant of the bungee cord is 69.8 N/m, what is the total potential energy relative to the ground when the woman stops falling?
please help with questions 23,24, and 25
A 1.30 kg block slides on a frictionless horizontal surface until it encounters a spring with a force constant of 520 N/m. The block comes to rest after compressing the spring by the distance of 2.50 cm.What was the initial speed of the block ? O 0.25 m/s 5.0 m/s O 31.6 m/s O 0.50 m/s
A block of mass, 1.5 kg is attached and secured to an end of a spring with a spring constant of 10,000 N/cm. The other end of the spring is secured to the wall. The block is pushed against the spring, which compresses the spring to a position of x = -0.04 cm. When uncompressed, the end of the spring that is attached to the block is at a position of x = 0.00 cm. The block/spring system is then released from rest, and the block travels along a rough horizontal track for the length of the spring. At 0.00 cm the surface changes. Can you help me calculate the block's velocity once it leaves the spring? Thank you.
The 10-kg block is released with a speed of 5 m/s when the spring is unstretched. The coefficient of kinetic friction between the block and the inclined surface is 0.2. What is the speed of the block when it has slid 1 m down the surface? k = 200 N/m 5 m/s 30° 4.27 m/s O 3.85 m/s O 5.64 m/s O 3.38 m/s O 7.17 m/s
9. A 7.9 kg object is suspended 10 m above the ground. Directly beneath it is a spring with a spring constant of 6500 N/m. Qualitatively describe what occurs to the energy of the system once the object is released? (Hint: Consider what occurs as the object falls, encounters the spring, and if it will go back up again!)
A 900 kg safe is 1.5 m above a heavy-duty spring when the rope holding the safe breaks. The safe hits the spring and compresses it 40 cm. What is the spring constant of the spring? Express your answer to two significant figures and include the appropriate units.