A child bounces in a harness suspended from a door frame by three elastic bands.
A child bounces in a harness suspended from a door frame by three elastic bands.
(a) If each elastic band stretches 0.220 m while supporting a 5.55-kg child, what is the force constant for each elastic band?
(b) What is the time for one complete bounce of this child?
(c) What is the child's maximum velocity if the amplitude of her bounce is 0.220 m?
Homework Answers
Add Answer to:
A child bounces in a harness suspended from a door frame by three elastic bands.
In a baby bouncer door swing, the child bounces in a harness suspended from a doorframe...
In a baby bouncer door swing, the child bounces in a harness suspended from a doorframe by a spring constant. (a) If the spring stretches 0.242 m while supporting an 8.1-kg child, what is its spring constant? (b) What is the time for one complete bounce of this child? (c) What is the child’s maximum velocity if the amplitude of her bounce is 0.222 m?
The device pictured in the figure entertains infants while keeping them from wandering
The device pictured in the figure entertains infants while keeping them from wandering. The child bounces in a harness, with a spring constant k, and is suspended off of the ground. Part (a) If the spring stretches x1 = 0.25 m from equilibrium while supporting an 8.5 kg child, what is its spring constant, in newtons per perter? Part (b) What is the time, in seconds, for one complete bounce of this child about the point x? Part (c) What is the child's...
The device pictured in the figure entertains infants while keeping them from wandering. The child bounces...
The device pictured in the
figure entertains infants while keeping them from wandering. The
child bounces in a harness, with a spring constant k, and is
suspended off of the ground.
HW 12 - Thermal Physics Begin Date: 11/13/2019 12:01:00 AM -- Due Date: 11/22/2019 11:59:00 PM End Date: 11/29/2019 11:59:00 PM (11%) Problem 9: The device pictured in the figure entertains infants while keeping them from wandering. The child bounces in a harness, with a spring constant k, and...
A baby bounces up and down in her crib. Her mass is 13.0 kg, and the...
A baby bounces up and down in her crib. Her mass is 13.0 kg, and the crib mattress can be modeled as a light spring with force constant 522 N/m. (a) The baby soon learns to bounce with maximum amplitude and minimum effort by bending her knees at what frequency? (b) If she were to use the mattress as a trampoline—losing contact with it for part of each cycle—what minimum amplitude of oscillation does she require?
A scientist has suspended a spring from a door frame. When an object is attached to...
A scientist has suspended a spring from a door frame. When an object is attached to the spring's bottom end, the spring extends downward by an additional distance, d, measuring 4.30 cm. (That downward distance is relative to the unstretched position that the spring had previously held whern in equilibrium, as shown by the horizontal dashed line in the figure below Calculate the mass of the hanging object (in kg) if the spring constant k has the value 59.5 N/m...
Can someone please help with 1) part A of top and 2) part B of bottom?...
Can someone please help with 1) part A of top and 2) part B of
bottom? Can't seem to get them!
Part a A 0.561-kg ball is hung vertically from a spring. The spring stretches by 5.38 cm from its natural length when the ball is hanging at equilibrium. A child comes along and pulls the ball down an additional 5cm, then lets go. How long (in seconds) will t take the ball to swing up and down exactly 4...
Question 8 The nylon rope from which a mountain climber is suspended has a force constant...
Question 8 The nylon rope from which a mountain climber is suspended has a force constant of 1.40 x 104 N/m. How much would this rope stretch to break the climber's fall if he free-falls 2.16 m before the rope runs out of slack, given his mass plus and the mass of his equipment are 91.6 kg? Hint: Use conservation of energy. You can assume the amount the rope stretches is small compared to the distance of his fall. Select...
1. Three children are riding on the edge of a merry‑go‑round that has a mass of...
1. Three children are riding on the edge of a merry‑go‑round that has a mass of 105 kg and a radius of 1.80 m. The merry‑go‑round is spinning at 22.0 rpm. The children have masses of 22.0, 28.0, and 33.0 kg. If the 28.0 kg child moves to the center of the merry‑go‑round, what is the new angular velocity in revolutions per minute? Ignore friction, and assume that the merry‑go‑round can be treated as a solid disk and the children...
Two forces of 200 N each are applied to an object, such that they are at...
Two forces of 200 N each are applied to an object, such that they are at 140 degree from each other. what is the magnitude of the third force necessary to keep the object stationary? A satellite in a stable circular orbit around the Earth, travelling at 2.3 Times 10^2 km above the ocean has a period of The planet Venus has a period of 225 days in its orbit around the sun. The mean radius of its orbit is:...
A ball is kicked from a location < 6, 0, -9> m (on the ground) with...
A ball is kicked from a location < 6, 0, -9> m (on the ground) with initial velocity<-13, 17.0, -4> m/s. The ball's speed is low enough that air resistance is negligible (a) What is the velocity of the ball 0.6 s after being kicked? (Use the Momentum Principle!) 11.2 4 m/S (b) In this situation (constant force), which velocity will give the most accurate value for the location of the ball 0.6 s after it is kicked? the arithmetic...
The device pictured in the
figure entertains infants while keeping them from wandering. The
child bounces in a harness, with a spring constant k, and is
suspended off of the ground.
HW 12 - Thermal Physics Begin Date: 11/13/2019 12:01:00 AM -- Due Date: 11/22/2019 11:59:00 PM End Date: 11/29/2019 11:59:00 PM (11%) Problem 9: The device pictured in the figure entertains infants while keeping them from wandering. The child bounces in a harness, with a spring constant k, and...
A scientist has suspended a spring from a door frame. When an object is attached to the spring's bottom end, the spring extends downward by an additional distance, d, measuring 4.30 cm. (That downward distance is relative to the unstretched position that the spring had previously held whern in equilibrium, as shown by the horizontal dashed line in the figure below Calculate the mass of the hanging object (in kg) if the spring constant k has the value 59.5 N/m...
Can someone please help with 1) part A of top and 2) part B of
bottom? Can't seem to get them!
Part a A 0.561-kg ball is hung vertically from a spring. The spring stretches by 5.38 cm from its natural length when the ball is hanging at equilibrium. A child comes along and pulls the ball down an additional 5cm, then lets go. How long (in seconds) will t take the ball to swing up and down exactly 4...
Question 8 The nylon rope from which a mountain climber is suspended has a force constant of 1.40 x 104 N/m. How much would this rope stretch to break the climber's fall if he free-falls 2.16 m before the rope runs out of slack, given his mass plus and the mass of his equipment are 91.6 kg? Hint: Use conservation of energy. You can assume the amount the rope stretches is small compared to the distance of his fall. Select...
Two forces of 200 N each are applied to an object, such that they are at 140 degree from each other. what is the magnitude of the third force necessary to keep the object stationary? A satellite in a stable circular orbit around the Earth, travelling at 2.3 Times 10^2 km above the ocean has a period of The planet Venus has a period of 225 days in its orbit around the sun. The mean radius of its orbit is:...
A ball is kicked from a location < 6, 0, -9> m (on the ground) with initial velocity<-13, 17.0, -4> m/s. The ball's speed is low enough that air resistance is negligible (a) What is the velocity of the ball 0.6 s after being kicked? (Use the Momentum Principle!) 11.2 4 m/S (b) In this situation (constant force), which velocity will give the most accurate value for the location of the ball 0.6 s after it is kicked? the arithmetic...
Most questions answered within 3 hours.
-
A finite potential well has depth U0 = 2.78 eV . What is the
penetration distance...
asked 9 minutes ago -
1. The bus bars of a power station are in two sections A and B
separated...
asked 8 minutes ago -
Fiscal policy is the deliberate manipulation of taxes and
government spending to alter GDP, employment, inflation...
asked 1 hour ago -
evaluating an expression using only one digit and + and - as
operators ....3+5-1+7-5+8
-----------------------
stack...
asked 1 hour ago -
Two concentric current loops lie in the same plane. The smaller
loop has a radius of...
asked 1 hour ago -
1)Which of the following is an
important difference between qualified and nonqualified retirement
plans?
a. Qualified...
asked 1 hour ago -
What's the streaming business's problem on the
horizon?
asked 2 hours ago -
I need help with writing the conclusion for this online lab
report
Abstract
By testing the...
asked 2 hours ago -
For the reaction 1N2+3H2-----> 2NH3, would the reaction rate
trend be: delta[NH3]/ delta t = -2...
asked 3 hours ago -
Within your current/past organization, identify a problem/issue
and format a design to address same. You may...
asked 3 hours ago -
A sock stuck to the side of a clothes-dryer barrel has a
centripetal acceleration of 24...
asked 4 hours ago -
A perfect gas undergoes an isentropic process such that its
volume doubles. If the ratio of...
asked 4 hours ago