A vertical spring with a spring constant of 490 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.29- kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 4.1 cm in bringing the block to a momentary halt. Assuming air resistance is negligible, from what height above the compressed spring was the block dropped? ho-h

A vertical spring with a spring constant of 490 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.29- kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 4.1 cm in bringing the block to a momentary halt. Assuming air resistance is negligible, from what height above the compressed spring was the block dropped? ho-h

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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I'm not sure how to work this problem. The solutions give the answer to be V1f=0.20 m/s, v2f=2.75 m/s for part A. For part B the solutions give the answer to be x=0.22 for maximum compression for the spring. I attached a picture of the problem.
I Review I Constants Block A in (Figure 1) has mass 1.00 kg, and block B has mass 3.00 kg. The blocks are forced together, compressing a spring S between them; then the system is released from rest on a level, frictionless surface. The spring, which has negligible mass, is not fastened to either block and drops to the surface after it has expanded. Block B acquires a speed of 1.60 m/s. Part A What is the final speed of block A? Express your answer in meters per second. ΑΣφ V = m/s Figure 1 of 1 Submit Request Answer Part B How much potential energy was stored in the compressed spring? mĄ = 1.00 kg S mg = 3.00 kg Express your answer in joules. Πν ΑΣφ ? U = %3D Submit Request Answer
7. Two masses, m1 = 2 kg and m2 = 8 kg, are pressed onto identical springs (k = 2 × 104 N/m) so that the springs are each compressed by 10 cm. The masses are then released; they slide towards each other on a frictionless table and undergo an elastic collision. Find the speed of each mass before the collision. Find the speed of each mass after the collision. After the collision, m1 will rebound to the left and hit the spring again. How far will the spring compress before it momentarily comes to rest? m2 m,
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at time T/2. 4. A 0.98 kg. block slides on a frictionless, horizontal surface with a speed of 1.32 m. The block encounters an unstretched spring with a force constant of 245N/m. How far is the spring compressed before the block comes to rest?
Please help with A & B questions.
As shown in the figure below, a box of mass m = 5.80 kg is sliding across a horizontal frictionless surface with an initial speed vi = 3.10 m/s when it encounters a spring of constant k = 2350 N/m. The box comes momentarily to rest after compressing the spring some amount xc. Determine the final compression xc (in m) of the spring. m
Current Attempt in Progress A vertical spring with a spring constant of 360 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.16-kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 2.9 cm in bringing the block to a momentary halt. Assuming air resistance is negligible, from what height above the compressed spring was the block dropped? ho- he Number Units
number 7 please
A 5.00-g bullet moving with an initial speed of vi = 390 m/s is fired into and passes through a 1.00-kg block as shown in the figure below. The block, initially at rest on a frictionless, horizontal surface, is connected to a spring with force constant 860 N/m. The block moves d = 5.60 cm to the right after impact before being brought to rest by the spring a) Find the speed at which the bullet emerges from the block.=----m/s b) Find the amount of initial kinetic energy of the bullet that is converted into internal energy in bullet–block system during the collision. =-------J
1. A child's toy uses a spring to launch a 135 g-ball vertically upwards with a time-varying force which starts at t=0 s and lasts 0.25 s. The force is given by F(t)=10N(1-t/0.25s) and is directed straight up. Air drag can be ignored in this problem. A. What is the velocity of the ball after the 0.25 s passes and the ball leaves the launcher? Hint: you need to take gravity into consideration for this problem. B. After the ball leaves the launcher, how high does it get in the air?
It will launch a 25 g projectile to a range of 2.15 m when it is launched at an angle of 45 degrees. You can use this information to find the initial velocity of the ball, of course, (and you should). Therefore, you should be able to calculate how much energy the spring in the projectile launcher must impart to the ball as it is being launched. The ball is pushed back 7.5 cm in the projectile launcher in order to getit ready to fire. What is the spring constant of the projectile launcher?