Physics question and answers for September 22, 2023
- Q A cylinder containing ideal gas is sealed by a piston that isabove the gas. The piston is a cylindrical object, with a weight of36.0 N, which can slide up or...
- Q A 240 g , 25-cm-diameter plastic disk is spun on an axle throughits center by an electric motor.What torque must the motor supply to take the disk from 0 to1800...
- Q A 175 g mass is connected to a light spring of force constant 2N/m that is free to oscillate on a horizontal, frictionless track.The mass is displaced 3 cm from...
- Q With the use of a phase shift, the position of an object may bemodeled as a cosine or sine function (as a function of time). Ifgiven the option, which function...
- Q The density of gasoline is 7.30 ✕ 102kg/m3 at 0°C. Its average coefficient of volumeexpansion is 9.60 ✕ 10−4 (°C)−1, and notethat1.00 gal = 0.00380 m3.(a) Calculate the mass of...
- Q A 10-cm diameter solid metal ball falls through the air at itsterminal velocity of 39.3 m/s.a) What would the new terminal velocity be if the mass of theball were doubled,...
- Q You are designing a high-speed elevator for a new skyscraper.The elevator will have a mass limit of 2400 kg (includingpassengers). For passenger comfort, you choose the maximum ascentspeed to be...
- Q Respond to thefollowing:Describeinterference and give examples.In your ownwords, explain diffraction and give examples.In your ownwords, explain holography and give examples.
- Q Data & AnalysisProcedure AIncident Angle 1Refracted Angle 1Incident Angle 2Refracted Angle 2Incident Angle 3Refracted Angle 390-68 = 22 degrees90-74 = 16 degrees90-55 = 35 degrees90-60 = 30 degrees90-44 = 46...
- Q You have a vertical metal rod, a spring with one end closed andthe other end open so that it can slide down over the rod and thenfly up when released,...
- Q The mean diameters of planets A and B are 9.3 × 103 km and 1.6 ×104 km, respectively. The ratio of the mass of planet A to that ofplanet B...
- Q Explain the 3 Laws of Thermodynamics in your own words. Discussin detail systems that utilize each law.
- Q A mass of 0.3 kg hangs motionless from a vertical spring whoselength is 1.05 m and whose unstretched length is 0.40 m. Next themass is pulled down to where the...
- Q A simple harmonic oscillator consists of a block of mass 3.4 kgattached to a spring of spring constant 120 N/m. When t =0.84 s, the position and velocity of the...
- Q A traveling wave along the x-axis is given by the following wavefunction ψ(x, t) = 4.5 cos(2.1x - 11.8t + 0.52),where x in meter, tin seconds, and ψ in meters....
- Q A particle of charge -3 C is momentarily located at the position(4,2,7) [all distances in meters]. The particle's velocity is450i^+150j^+500k^ [in m/s] What is the magnetic field vector due tothe...
- Q The cubit is an ancient unit of length based on the distancebetween the elbow and the tip of the middle finger of the measurer.Assume that the distance ranged from 43...
- Q During hand-pumped rail car races, a speed of 27.9 km/h has beenachieved by teams of four people. A car that has a mass equal to379 kg is moving at that...
- Q a0.60kg cart is attatched to the end of a horizontal spring and ismoving in simple harmonic motion with amplitude 0.45m on africtionless surface. as the cart passes through its equillibriumposition,...
- Q A 5.87-g bullet is moving horizontally with a velocity of +348m/s, where the sign + indicates that it is moving to the right (seepart a of the drawing). The bullet...
- Q The second largest moon in the Solar System is Titan. It orbitsSaturn at a distance of 1221.85 x 103 km from the planet. Titan’sradius is 2575 km. Titan’s mass is...
- Q Two metal disks, one with radius ?1 = 2.50 cm and mass ?1 =0.800 kg and the other with radius ?2 = 5.00 cm and mass ?2 = 1.60kg are...
- Q An 8.0 m, 240 N uniform ladder rests against a smooth wall. Thecoefficient of static friction between the ladder and the ground is0.55, and the ladder makes a 50.0° angle...
- Q A rubber ball with a radius of 10.0 cm is uniformly charged witha charge density of p . The electric field at position “Xâ€, 5.00 cmfrom the center of the...
- Q An equilateral triangle 7.0 m on a side has a m1 = 25.00 kg massat one corner, a m2 = 85.00 kg mass at another corner, and a m3 =115.00...
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