Vibration (SHM equation)
Answer 1.The general REAL solutions of the UN DAMPED elastic oscillator are$x(t) =A*cos(2*pi*t/T)$, where x is the position versus time t and T is the period of the oscillator$T… Click here to read more
Answer 1.The general REAL solutions of the UN DAMPED elastic oscillator are$x(t) =A*cos(2*pi*t/T)$, where x is the position versus time t and T is the period of the oscillator$T… Click here to read more
1. Match each item with the correct statement below.a. small whole number ratios b. atmospheric pressurec. inversed. 14.71………Normal air pressure2………volumes of gases always combine with each other in this relationship.3………Less… Click here to read more
1) Design and construct a circuit similar to the one below that will utilize a photo eye to control an HVAC system. Use a photo eye, a voltage controlled current… Click here to read more
1. A curve or radius 55 m is banked so that a car traveling w/uniform speed 63 km/hr can round the curve w/out relying on friction to keep from sliding… Click here to read more
1.Part 1: A cylinder w/moment of inertia 30.9 kg x meters2 rotates w/angular velocity 8.48 rad/sec on a frictionless vertical axle. A second cylinder, w/moment of inertia 27.3 kg Xmeters2,… Click here to read more
In the 1968 Olympic Games, University of Oregon jumper Dick Fosbury introduced a new technique of high jumping called the “Fosbury flop.” It contributed to raising the world record by… Click here to read more
1. The drawing shows a hydraulic system used with disc brakes. The force F is applied perpendicularly to the brake pedal. The brake pedal rotates about the axis shown in… Click here to read more
1. All of the electrical outlets in a room are connected in a single parallel circuit. The circuit is equipped with a 20-A fuse and the voltage is 120 V.A)… Click here to read more
1. A 8 kg block of steel is at rest on a horizontal table. The coefficient of static friction between the block and the table is 0.45. A force is… Click here to read more
1. An empty storage tank has a volume of 116 ft3. What is the buoyant force exerted on it by the air?2. The total mass of helium in a balloon… Click here to read more
1. Trucks can be run on energy stored in a rotating flywheel, with an electric motor getting the flywheel up to its top speed of $200\pi$ rad/s. One such flywheel… Click here to read more
1. What is the kinetic energy in Joules of a 2100-lb car traveling at 48 miles per hour? (1 lb = 0.4536 kg, 1 mi = 1.609 km)mass $m =… Click here to read more
Physics Laboratory 3Falling Ball Kinetic and Potential Energy http://physics.weber.edu/amiri/director/dcrfiles/energy/FallingBallS.dcr We will use several simulations to explore the relationship between kinetic and potential energy in a few different systems. Kinetic and… Click here to read more
1. In a cylinder sealed by a movable piston on one side a mole of N2 gas is mixed with a couple moles of H2 gas at appropriate conditions to… Click here to read more
1. What is the chemical reaction in which the NaOH acts on the lard to produce soap?2. What is unique about the soap molecule that allows it to remove dirt… Click here to read more
LESSON 6 A ray of light passes through a pane of glass which is 1.0 cm thick. The index of refraction of the glass is 1.53. The angle between the… Click here to read more
Calculate the total heat (in J) needed to convert 9.01g (0.500 moles) of ice at -10.00 oC to liquid water at 5.00 oC. The melting point of water is 0… Click here to read more
Consider the following situations. A) An object moves in a straight line at constant speed. B) An object moves with uniform circular motion. C) An object travels as a projectile… Click here to read more
1. In the upper atmosphere at altitudes where commercial airlines travel, we find extremely cold temperatures. What is the speed of sound (in metric units) for a temperature of -57.8… Click here to read more
Speed of Sound Lab 1. Set up a data table to record your observations for this Speed of Sound lab: Data Table: Tuning fork frequency, Hz f(printed on the fork)… Click here to read more