--%>
Assignment Help - homework help

State Hooke's law as it applies to a spring

a 6.00 kg mass is situated at (-1.00, 3.00) meters, what is its mass moment of inertia: a)about the x-axis b)about the y-axis c)About a line defined by x=6.00 m
The same object is hung from identical wires made of aluminum, cast iron, copper, and steel. rank the order in which the wires will stretch from least to greatest. 
A girl with a mass of 47 kg sits on one end of a seesaw that is 3.0m long and is pivoted 1.3 m from the girl. if the seesaw is just balanced when a boy sits at the opposite end, what is his weight?
A flywheel slows down uniformly and comes to rest in 22.0 seconds. it was rotating initally at 4 revolutions per second and has a di diameter of 50.0 cm. a) what was the centripetal acceleration when it was rotating initially? B) What was the tangential acceleration?
What is the net torque on a solid wheel with a mass of 1 kg and diameter of 1 m if it has an angular acceleration of 5.0 rad/s/s?
A mass of 100.0 kg is suspended from a steel wire of diameter 1.5 mm and length of 12.0 m. a) What will be the new length of the steel wire? b) If the diameter of the wire is doubled, what would be the stretch?
The drain plug on a cars engine has been tightened to a torque of 25 N*m. If an 8 inch long wrench is used to change the oil, what is the minimum force needed to loosen the plug. 
Three masses are positioned as follows: 3.0kg at (3,2), 4.0 kg at (0,-1), and 5.0 kg at (5, -7). Locate the center of mass of the system.
State Hooke's law as it applies to a spring. 
A 2.00 m long rod is hinged at one end. the rod is initially held in the horizontal position and then released as the free end is allowed to fall. calculate the angular acceleration of the rod as it is released. 
Compare the mass moments of inertia of the three planets shown blew. show your calculations properly.underneath is a picture of three circles. circle a has a mass of M and a radius of R. Circle B has a mass of 2M and a radius of 2R. Circle C has a mass of 3M and a radius of 3R.  

   Related Questions in Physics

  • Q : What is Hubble constant Hubble constant

    Hubble constant: H0 (E.P. Hubble; 1925): The constant that determines the relationship among the distance to a galaxy and its velocity of recession due to the growth of the Universe. As the Universe is self-gravitating, it is not trut

    		•
  • Q : Define Volt or SI unit of electric

    Volt: V (after A. Volta, 1745-1827): The derived SI unit of electric potential, stated as the difference of potential among the two points on a conductor fetching  a constant current of 1 A whenever the power dissipated between the points is 1 W;

    		•
  • Q : Magnetism what's the unit of Curie

    what's the unit of Curie constant and how to calculate Bohr magneton from the plot of 1/Khi vs Temperature(K)?

    		•
  • Q : Explain Event horizon Event horizon:

    Event horizon: The radius which a spherical mass should be compressed to in order to convert it into a black hole, or the radius at which the time and space switch responsibilities. Once within the event horizon, it is basically impossible to escape t

    		•
  • Q : Define Mediocrity principle Mediocrity

    Mediocrity principle: The principle that there is nothing predominantly interesting about our position in space or time, or regarding ourselves. This principle most likely first made its real manifestation in the scientific community whenever Shapley

    		•
  • Q : Fundamental principles of the regulation

    Describe the fundamental principles of the regulation? Briefly describe the principles?

    		•
  • Q : Problem on two coupled coils connected

    In a series adding connection, two coupled coils have equivalent inductances LA; in a series opposing connection, LB. Determine an expression for M in terms of LA and LB. What does the outcome suggest?

    		•
  • Q : Explain Drake equation Drake equation

    Drake equation (F. Drake; 1961): The method of estimating the number of intelligent, scientific species (that is, able to communicate with other species) in subsistence in our space. N

    		•
  • Q : Define Noether theorem Noether theorem

    Noether theorem (Noether): A theorem that explains that symmetries are what gives rise to conserved quantities. For example, the translational symmetry (that is the fact that the laws of physics work the same in all positions) gives r

    		•
  • Q : What is Reflection law Reflection law :

    Reflection law: For a wave-front intersecting a reflecting surface, the angle of incidence is equivalent to the angle of reflection, in the similar plane stated by the ray of incidence and the normal.

    		•