Helical molecule acts like a spring and compresses

Assignment Help Physics
Reference no: EM13654189

A molecule of DNA (deoxyribonucleic acid) is 2.19 µm long. The ends of the molecule becomesingly ionized -- negative on one end, positive on the other. The helical molecule acts like a spring and compresses 1.12% upon becoming charged. Determine the effective spring constant of the molecule.

Reference no: EM13654189

Questions Cloud

How much is the chemical energy of the battery reduced : A 3.9 A current is set up in a circuit for 5.9 min by a rechargeable battery with a 9.0 V emf. By how much is the chemical energy of the battery reduced?
A mountain climber friend with a mass : A mountain climber friend with a mass of 80 kg ponders the ideaof attaching a helium-filled balloon to himself to effectively reduce his weight by 25% when he climbs. He wonders what the approximate size of such a balloon would be.
Monochromatic light shines perpendicularly on a soap film : When monochromatic light shines perpendicularly on a soap film(n = 1.33) with air on each side, the second smallestnonzero film thickness for which destructive interference ofreflected light is observed is 386 nm. What is the vacuum wavelength of the..
What is the kinetic energy of the flywheel after charging : Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting the flywheel up to its top speed of 200π rad/s. One such flywheel is a solid, uniform cylinder with a mass of 450 kg and a radius of 1.5 m.
Helical molecule acts like a spring and compresses : A molecule of DNA (deoxyribonucleic acid) is 2.19 µm long. The ends of the molecule becomesingly ionized -- negative on one end, positive on the other. Thehelical molecule acts like a spring and compresses 1.12% upon becoming charged.
A large spherical shell with a mass : A large spherical shell with a mass of 145 kg and radius of 1.5m isinitially spinning at a rate of 30.0 rpm. A maintenance workersprays a protective coating on it, which adds 5.00 kg to its totalmass.
Proposed space station includes living quarters : A proposed space station includes living quarters in a circular ring 54.5 m in diameter. Atwhat angular speed should the ring rotate so the occupants feelthat they have the same weight as they do on Earth?
Find the linear acceleration of the bicycle : A bicycle has wheels with a diameter of 0.570 m. Itaccelerates uniformly and the rate of rotation of its wheelsincreases from 201 rpm to 295 rpm in a time of 27.3 s. Find the linear acceleration of the bicycle.
The flywheel of a steam engine begins to rotate : The flywheel of a steam engine begins to rotate from rest with a constant angular acceleration of 1.27rad/s2. It accelerates for 31.5 s, then maintains aconstant angular velocity.

Reviews

Write a Review

Physics Questions & Answers

  Estimate what average force is exerted on the car

A 876 kg drag race car accelerates from rest to 109 km/h in 0.862 s. What average force is exerted on the car

  Determine the magnetic flux through the wall

A house has a floor area of 115 m2 and an outside wall that has an area of 24 m2. Determine the magnetic flux through the wall if the wall faces east

  Estimate the angular acceleration as the blades slow down

The blades in a blender rotate at a rate of6600 rpm. What is the angular acceleration as the blades slow down

  What is the change in temperature of the water

Work of 600 J is done by stirring and insulated beaker containing 100 gm of water? What is the change in temperature of the water

  Time elapsed from takeoff until rocketstrikes the ground

A model rocket fired vertically from the ground ascends with avertical acceleration of 3.6 m/s2 for 5.0 s. Its fuel is then exhausted, so itcontinues upward as a free-fall particle and then falls back down.

  A baseball batter swings the bat and applies a force of

a baseball batter swings the bat and applies a force of 66.95 n to the ball for a time of 0.36 s. assuming the force is

  Suppose one of the resistor in the bridge circuit was

suppose one of the resistor in the bridge circuit was heated by baking it in an oven. how would this effect the current

  How much is the charge on one of the straws

A homemade electroscope has 2 pieces of straw hanging from 2strings dangling from a hook. The length of the string fromtop to bottom on one side is 8 cm. When charged, the strawsstay 2 cm apart. The mass of one of the straws is .08 grams.

  How much work is done if tension directed parallel to snow

How much work is done if the same tension is directed parallel to the snow.

  Excluding the ball the total mass of the platform and

two people are standing on a meter-long stationary platform one at each end. the platform floats parallel to the ground

  What is the smallest radius of an unbanked track

What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 25 km/h

  You throw a ball upward with an initial speed of 46 rm ms

you throw a ball upward with an initial speed of 4.6 rm ms. when it returns to your hand 0.94 rm s later it has the

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd