What is the angular acceleration of the wheel

Assignment Help Physics
Reference no: EM13995566

A merrygoround 5 meters in diameter accelerates uniformly from 1 rpm to 30 rpm in 10 seconds.

a. What is the angular acceleration of the wheel?

b. How far will a point on the edge of the merrygoround travel in this time?

c. Assuming angular acceleration is constant, how much additional time does it take the merrygoround to reach 60 rpm?

d. The moment of inertia of the merrygoround is 1.5 x 10^7 kg m^2, calculate the torque required to accelerate the merrygoround.

e. What is the kinetic energy of the merrygoround while spinning at 60 rpm.

Reference no: EM13995566

Questions Cloud

Substance abuse treatment : Find 4-5 articles that are of interest to you on the topic on some aspect of one of the following issues: prejudice and discrimination, forgiveness, media violence and children, or substance abuse treatment
Kinds of statistical data : What kinds of statistical data might a burglar alarm company employ in trying to convince urban homeowners to purchase its product?
Paper about classical realism and liberalism : Paper about Classical Realism and Liberalism - The assignment must be done according to this references enclosed below.
Qualitative variable and a quantitative variable : 1. What is the difference between a qualitative variable and a quantitative variable? When would each be appropriate?
What is the angular acceleration of the wheel : What is the angular acceleration of the wheel? How far will a point on the edge of the merrygoround travel in this time?
Battery-powered music boxes : In a test of the effectiveness of a new battery design, 16 battery-powered music boxes are randomly provided with either the old design or the new version. Hours of playing time before battery failure were as follows:
Difference between the population means : Using the appropriate statistical table, what is the most accurate statement we can make about the p-value for the test? Construct and interpret the 90% confidence interval for the difference between the population means.
Dexterity-test scores of workers : Comparing dexterity-test scores of workers on the day shift versus those on the night shift, the production manager of a large electronics plant finds that a   sample  of 37 workers from the day shift have an average score of 73.1, with a standard..
Importance of the general acceptance of an expert testimony : Which of the following focuses on the importance of the general acceptance of an expert's testimony, emphasizing its relevance

Reviews

Write a Review

Physics Questions & Answers

  Which one will be harder to start spinning

Two large spheres with the same diameter are mounted on vertical axles in a science museum. Both are coated in a thin layer of white plastic, and although they appear identical, one is actually a solid wooden sphere, while the other is a hollow me..

  What is the overall efficiency of the entire cycle

Water at 2 kg/s is the working fluid in the power cycle shown below. Saturated liquid at 10 kPa enters the pump, What is the overall efficiency of the entire cycle

  What is the speed of each fragment just after the explosion

What is the speed of each fragment just after the explosion? What is the distance between the points on the ground where they land? Assume that the ground is level and air resistance can be ignored.

  Slope must change from low slope to high slope

A position-time graph for an object moving in the - dir'n and accelerating from a low velocity to a high velocity is shown below. If the object is moving in the - dir'n, then the slope of a p-t graph would be -. If the object is changing velocity fro..

  With the pebble on the block the block oscillates with an

a 0.120-kg block is suspended from a spring. when a small pebble of mass 30 g is placed on the block the spring

  Calculate the power is expended in the heater

A lamp (R=150), an electric heater (R=23), and a fan (R=50) are connected in parallel across a123V line. calculate the power is expended in the heater

  Evaluate the amplitude of the voltage across the inductor

The amplitude of the voltage across an inductor can be greater than the amplitude of the generator emf in an RLC circuit. Find the amplitude of the voltage across the inductor at resonance

  What are the units of electric potential

What are the units of electric potential? How is electric potential measured? Please keep solution simple and short and please no copy and paste

  Estimate what was the magnitude of its deceleration

A 27 pound meteorite struck a car, leaving adent 10 cm deep in the trunk. Ifthe meteorite struck the car with a speed of 250 m/s, what was the magnitude of its deceleration

  Find the mechanical advantage of the oar

An oar used to row a boat has the handle 55 centimeters from the fulcrum and the blade 220 centimeters. Find the mechanical advantage of the oar

  What is the rms value of the electric field

The cylindrical beam of a 80.0 mW laser is 0.80 cm in diameter. What is the rms value of the electric field

  Estimate the mass of the second car

A freight car with a mass of 10 metric tons is rolling at 108 km/h along a level track when it collides with another freight car, what is the mass of the second car

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