A steel bicycle wheel (without the rubber tire) is rotating freely with an angular speed of 18.00
Question:
A steel bicycle wheel (without the rubber tire) is rotating freely with an angular speed of 18.00 rad/s. The temperature of the wheel changes from -100.0 to +300.0 oC. No net external torque acts on the wheel, and the mass of the spokes is negligible.
(a) Does the angular speed increase or decrease as the wheel heats up? Why?
(b) What is the angular speed at the higher temperature?
Step by Step Answer:
a As the wheel heats up it will expand Its radius and therefore its moment of inertia will increase ...View the full answer
Related Video
In Physics, a force is an influence that can change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity. In this video, the concept of force and torque is demonstrated with the practical application of changing the flat tire of the car.
Students also viewed these Modern Physics questions
-
A stationary platform which can rotate freely about a vertical axis (Fig. 1.72) supports a motor M and a balance weight N. The moment of inertia of the platform with the motor and the balance weight...
-
A semicircular panel of radius r is attached with hinges to a circular plate of radius r and initially held in the vertical position as shown. The plate and the panel are made of the same material...
-
Arriving at the baggage claim area in a small airport, Alan (mass m) discovers a large turntable (radius R and moment of inertia I) that is spinning out of control. Not wanting to pass up an...
-
Why are services important? Why is manufacturing important? What are nonmanufactured goods?
-
Visit Nikes Web site at nikeid.nike.com/nikeid/index.jsp and design your own shoe. Print out your shoe design and bring it to class. Do you think the price is appropriate for the value received from...
-
9.18 Zoe starts up an independent fast food outlet on 1 January 20X4, trading as Zoe's Snacks. She has the following balances in her books at 31 December 20X4. Her accountant has advised her that she...
-
In what way is the accounting for a foreign currency borrowing more complicated than the account ing for a foreign currency account payable? LO9
-
A machine shop has two machines, A and B. Four jobs need to be processed through machine A first and B second. Job 1 will take one hour on machine A and three hours on machine B. Job 2 will take...
-
C. If no adjusting entry was made on 30 June 2020, by how much would profit be overstated or understated? How much would assets be overstated or understated? Explain. D. What would your adjusting...
-
Elena Bellisario began a new consulting firm on January 3. The accounting equation showed the follow- ing transactions. Analyze the equation and describe each of the transactions with their amounts....
-
An insulated container is partly filled with oil. The lid of the container is removed, 0.125 kg of water heated to 90.0 oC is poured in, and the lid is replaced. As the water and the oil reach...
-
The figure shows a swimming pool on a sunny day. If the water absorbs 2.00 Ã 109 J of heat from the sun, what is the change in volume of the water?
-
(c) Interpret the results of your analysis. In particular, consider the following points: (i) Does the presence of ryegrass affect the yield of the wheat plants? If so, in which direction? (ii) Is...
-
3. (30 pts total) Suppose that an automobile has the ability to accelerate from rest to a velocity of 100.0 mi/h in a time of 6.00 s. a. (15 pts) Assuming the acceleration is a constant, determine...
-
Factor completely. 2-2t+16
-
Use the following table to answer questions and ll]. The number of hot dogs sold by 12 randomly selected hot dogs vendors in Central Park on July 4 is as follows: 142 97 105 76 90 83 123 115 92 94 73...
-
Can you please describe (in about a paragraph) a situation (preferably but not necessarily in business) that requires a decision necessitating a decision tree with at least two branches, each branch...
-
Data: Sodium Systolic98 14799 14996 175109 14591 135107 14987 121110 170102 163103 141117 14992 13590 12793 132113 18199 152114 164103 14496 148111 180128 18392 13284 135102 141103 147117 16789...
-
Economists define normal goods as having a positive income elasticity. We can divide normal goods into two types: Those whose income elasticity is less than one and those whose income elasticity is...
-
Hotel Majestic is interested in estimating fixed and variable costs so that the company can make more accurate projections of costs and profit. The hotel is in a resort area that is particularly busy...
-
An ideal gas is taken through a complete cycle in three steps: adiabatic expansion with work equal to 125 J, isothermal contraction at 325 K, and increase in pressure at constant volume. (a) Draw a...
-
(a) What is the volume occupied by 1.00 mol of an ideal gas at standard conditionsthat is, 1.00 atm (= 1.01 x 105 Pa) and 273 K? (b) Show that the number of molecules per cubic centimeter (the...
-
Find the pressure increase in the fluid in a syringe when a nurse applies a force of 42 N to the syringe's circular piston, which has a radius of 1.1 cm.
-
Read the following and then answer the questions below:September 12: A Brisbane business offers by letter to sell 500 tyres to a New Zealand company. The Brisbane company does not specify a method of...
-
Fred returns home from work one day to discover his house surrounded by police. His wife is being held hostage and threatened by her captor. Fred pleads with the police to rescue her and offers...
-
Would like you to revisit one of these. Consideration must be clear and measurable.if you can't measure it then how can you show it has / has not been done?How can you sue someone for breach of...
Study smarter with the SolutionInn App