1) You (a person with mass m) have a trampoline that you would like to treat...
1) You (a person with mass m) have a trampoline that you would like to treat like a spring. You decide to jump from a height h above the flat surface of the trampoline, and you measure that you travel a distance h/4 downward after hitting the surface of the trampoline. In terms of known variables, determine the effective spring constant and the speed at which you hit the trampoline.
I need the velocity.
Homework Answers
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1) You (a person with mass m) have a trampoline that
you would like to treat...
Name Section Useful formulas w=fF.di, Ww=AE" E=U+K+ Ermal U=Uc+Uspring K. Uab) = mgy, Urning (w) =...
Name Section Useful formulas w=fF.di, Ww=AE" E=U+K+ Ermal U=Uc+Uspring K. Uab) = mgy, Urning (w) = 366 – soba F =- Fa = -mg, Fpring = -ky-yo) h 1.) A kid of mass m is momentarily at rest, and then drops onto a trampoline from a heighth above the surface. The acoderation due to gravity has magnitude y. Assume no dissipative forces exist. Assume the trampoline behaves like a spring with spring constant k a.) What is the kid's speed...
(10 points) A block of mass m = 0.80 kg is held in place against a...
(10 points) A block of mass m = 0.80 kg is held in place against a spring with spring constant k = 3000 N/m, compressing it a distance of 0.022 m. The block is released from rest and is projected to the right and down a ramp of height h = 1.5 m, as shown in the figure below. The entire surface is frictionless until point B, after which the coefficient of friction between the block and the surface is...
(0%) Problem 12: Ablock of mass m 2.1 kg is on an inclined plane with a...
(0%) Problem 12: Ablock of mass m 2.1 kg is on an inclined plane with a coefficient of friction u 0.36, at an initial height h = 0.44 m above the ground. The plane is inclined at an angle 0 51°. The block is then compressed against a spring a distance Ax 0.17m from its equilibrium point (the spring has a spring constant of ky =27 N/m) and released. At the bottom of the inclined plane is a horizontal plane...
A block of mass m = 3.5 kg is on an inclined plane with a coefficient...
A block of mass m = 3.5 kg is
on an inclined plane with a coefficient of friction
μ1 = 0.31, at an
initial height h = 0.53 m above
the ground. The plane is inclined at an angle θ =
54°. The block is then compressed against
a spring a distance Δx = 0.11 m
from its equilibrium point (the spring has a spring constant of
k1 = 39 N/m) and
released. At the bottom of the inclined plane...
To practice Problem-Solving Strategy 10.1 Conservation of energy problems. An ice cube of mass 50.0g can...
To practice Problem-Solving Strategy 10.1 Conservation of energy
problems.
An ice cube of mass 50.0g can slide without friction up and down
a 25.0degree slope. The ice cube is pressed against a spring at the
bottom of the slope, compressing the spring 0.100m . The spring
constant is 25.0N/m . When the ice cube is released, how far will
it travel up the slope before reversing direction?
Part B
You should compile two lists: one of known quantities and one...
could you please help me solving this. like and comment are rewarded. 1. A vacuum bubble...
could you please help me
solving this. like and comment are rewarded.
1. A vacuum bubble forms in a liquid and subsequently collapses. The liquid has density 1g em 3 and pressure equal to 1 standard atmosphere. The initial radius of the bubble is 2 mm. Using dimensional analysis, estimate the duration of the collapse. 2. An astronaut throws a small rock whilst standing on an open plain on Mars. Their hand is moving at approximately 60 km h -...
I need all of the variables defined such as the knowns and unknowns and then the...
I need all of the variables defined such as
the knowns and unknowns and then the equation worked out without
numbers plugged in and then another equation with the number of
this problem plugged in. Thank you!
Challenge Problem: Punctured Tank A large tank of water sits directly on flat ground. It has a water level h = 0.8 meters above the ground. It has a small puncture at a height y = 0.6 meters above ground. Water is replenished...
A ball of mass m is pushed out by a compressed spring of spring constant k....
A ball of mass m is pushed out by a compressed spring of spring
constant k. Both the ball and the spring are on a table (see the
diagram below). The other end of the spring is fixed to the table,
and the spring is initially compressed by x. The ball moves toward
a wedge at the edge of the table and then launches off the wedge
and falls on the ground. The heights of the table and the wedge...
help with part 5 1. A 125-kg load is lifted 12.0 m vertically with an acceleration...
help with part 5
1. A 125-kg load is lifted 12.0 m vertically with an acceleration a -0.32g by a single cable. Determine: (a) the tension in the cable, (b) the net work done on the load, (c) the work done by the cable on the load, (d) the work done by gravity on the load, and (e) the final speed of the load assuming it started from rest. 2. A 1.60-m tall person lifts a 2.10-kg book from the...
1. A cylinder of mass m, height h and radius r floats partially submerged in a...
1. A cylinder of mass m, height h and radius r floats partially submerged in a liquid of density ρ. One third of the height of the cylinder is above the surface of the water. Johnny pushes the cylinder down by a small distance x<h/3, then he releases it from rest. A) prove that the resulting motion of the cylinder is a simple harmonic motion. B) Find the period of the small oscillations in terms of the given quantities (m,r,h,ρ)...
Name Section Useful formulas w=fF.di, Ww=AE" E=U+K+ Ermal U=Uc+Uspring K. Uab) = mgy, Urning (w) = 366 – soba F =- Fa = -mg, Fpring = -ky-yo) h 1.) A kid of mass m is momentarily at rest, and then drops onto a trampoline from a heighth above the surface. The acoderation due to gravity has magnitude y. Assume no dissipative forces exist. Assume the trampoline behaves like a spring with spring constant k a.) What is the kid's speed...
(10 points) A block of mass m = 0.80 kg is held in place against a spring with spring constant k = 3000 N/m, compressing it a distance of 0.022 m. The block is released from rest and is projected to the right and down a ramp of height h = 1.5 m, as shown in the figure below. The entire surface is frictionless until point B, after which the coefficient of friction between the block and the surface is...
(0%) Problem 12: Ablock of mass m 2.1 kg is on an inclined plane with a coefficient of friction u 0.36, at an initial height h = 0.44 m above the ground. The plane is inclined at an angle 0 51°. The block is then compressed against a spring a distance Ax 0.17m from its equilibrium point (the spring has a spring constant of ky =27 N/m) and released. At the bottom of the inclined plane is a horizontal plane...
A block of mass m = 3.5 kg is
on an inclined plane with a coefficient of friction
μ1 = 0.31, at an
initial height h = 0.53 m above
the ground. The plane is inclined at an angle θ =
54°. The block is then compressed against
a spring a distance Δx = 0.11 m
from its equilibrium point (the spring has a spring constant of
k1 = 39 N/m) and
released. At the bottom of the inclined plane...
To practice Problem-Solving Strategy 10.1 Conservation of energy
problems.
An ice cube of mass 50.0g can slide without friction up and down
a 25.0degree slope. The ice cube is pressed against a spring at the
bottom of the slope, compressing the spring 0.100m . The spring
constant is 25.0N/m . When the ice cube is released, how far will
it travel up the slope before reversing direction?
Part B
You should compile two lists: one of known quantities and one...
could you please help me
solving this. like and comment are rewarded.
1. A vacuum bubble forms in a liquid and subsequently collapses. The liquid has density 1g em 3 and pressure equal to 1 standard atmosphere. The initial radius of the bubble is 2 mm. Using dimensional analysis, estimate the duration of the collapse. 2. An astronaut throws a small rock whilst standing on an open plain on Mars. Their hand is moving at approximately 60 km h -...
I need all of the variables defined such as
the knowns and unknowns and then the equation worked out without
numbers plugged in and then another equation with the number of
this problem plugged in. Thank you!
Challenge Problem: Punctured Tank A large tank of water sits directly on flat ground. It has a water level h = 0.8 meters above the ground. It has a small puncture at a height y = 0.6 meters above ground. Water is replenished...
A ball of mass m is pushed out by a compressed spring of spring
constant k. Both the ball and the spring are on a table (see the
diagram below). The other end of the spring is fixed to the table,
and the spring is initially compressed by x. The ball moves toward
a wedge at the edge of the table and then launches off the wedge
and falls on the ground. The heights of the table and the wedge...
help with part 5
1. A 125-kg load is lifted 12.0 m vertically with an acceleration a -0.32g by a single cable. Determine: (a) the tension in the cable, (b) the net work done on the load, (c) the work done by the cable on the load, (d) the work done by gravity on the load, and (e) the final speed of the load assuming it started from rest. 2. A 1.60-m tall person lifts a 2.10-kg book from the...
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