Find how much work did you do to reduce the radius

Reference no: EM13541540

A 1 kg mass is moving in a circle of radius 1.8 m on a flat frictionless table at the end of a string. The speed of the mass is 2.4 m/s. The string r

A) What is the tension in the string?

B) If you pull on the string so that the radius of the circle decreases to one half its former value, what is the new tension in the string?

C) How much work did you do to reduce the radius by a factor of one-half?

Reference no: EM13541540

Questions Cloud

Determine by how much must you stretch the string : A 0.48 m long guitar string, of cross-sectional area 1.0 10-6 m2, has Young's modulus Y = 1.90 109 N/m2. By how much must you stretch the string to obtain a tension of 30 N

Find the angle between the axes of each pair : A beam of unpolarized light shines on a stack of five ideal polarizers, Find the angle between the axes of each pair of adjacent polarizers

A heat pump has a coefficient of performance : A heat pump has a coefficient of performance of 3.75 and operates with a power consumption of 7.13 103 W. How much energy does it deliver into a home during 24 h of continuous operation? How much energy does it extract from the outside air?

Explain equation for reaction in acidic solution : In a particular redox reaction BrO^- is oxidized to BrO3^- and Ag^+ is reduced to Ag. Complete and balance the equation for this reaction in acidic solution.

Find how much work did you do to reduce the radius : A 1 kg mass is moving in a circle of radius 1.8 m on a flat frictionless table at the end of a string. How much work did you do to reduce the radius by a factor of one-half

Water balloons and hard baseballs : The two mediums below propagate particles differently. Which of the two medium would have higher acoustic velocity and create better propagation or movement of particles? water balloons, hard baseballs.

Find the frequency in terahertz of visible light : Find the frequency in terahertz of visible light with a wavelength of 441 nm in vacuum

Find out the ph at one-half of the equivalence point : Consider the titration of a 25.0 mL sample of 0.110M HC2H3O2 with 0.130M NaOH. Determine the pH at one-half of the equivalence point. initial pH=2.85, the volume of added base required to reach the equivalence point=21.2 mL

Explain the events that can change the state of the system : Explain the events that can change the state of the system and write a programming code to generate 100 random variates according to exponential distribution and store them in an array.

User Account

All Pages