Physics question and answers for September 21, 2023
- Q Please define moment of arm (regarding physics) in a way I canunderstand. it is referring to the arm on a mousetrap car that wasbuilt. I need to discuss its effectiveness
- Q 1) A 6.47 mm high firefly sits on the axis of, and 11.5 cm infront of, the thin lens A, whose focal length is 6.11 cm . Behindlens A there...
- Q what is the sensitivity off CCD & Wavenumber in Ramanspectroscopy and how it affects the intensity of the peak??
- Q An archaeologist finds some ancient jewelry made frombone. The jewelry has a carbon mass of 163 g (HINT: Assume all thecarbon is 12C and determine the number of atoms) andcareful...
- Q Is it possible for the potential energy and kinetic energy toboth be maximum at the same moment in time for a bouncing spring?Explain.
- Q An airplane with a speed of 77.1 m/s is climbing upward at anangle of 72.5 ° with respect to the horizontal. When the plane'saltitude is 625 m, the pilot releases...
- Q What ratio of masses between two particles will result in thegreatest transfer of energy, if they are both at rest and and hiteach other in a head on elastic collision?
- Q A ball is placed at the top of a hill and then released. After 5seconds it has a speed of 20 m/s. What is the average accelerationof the ball? A)...
- Q 4. A 14000N car traveling at 25m/s rounds a curve of radius200m. Find the following: a. The centripetal acceleration of thecar. Â Â b. The force that maintains centripetal acceleration.c. The minimum...
- Q A person pulls a 11-kg toboggan for a distance of 3.5 m on ahorizontal sheet of ice (frictionless) with a rope directed 25.0ºabove the horizontal snowy surface. The tension in...
- Q A ball enters a frictionless track spiraling upward with a speedvo. The radius of the track is half a meter and it has a pitch (ѳ)of 15°.(a) If the initial...
- Q A horizontal spring with a spring constant of 190 N/cm iscompressed 6.3 cm. A wooden block with a mass of 1.5 kg is placedin front of and in contact with...
- Q whether pitching a softball or throwing a bowling ball is morestressful to the human shoulder. find the force exerted the musclein each scenario to come up with an answer.assumptions:for bowling...
- Q People who do very detailed work close up, such as jewelers,often can see objects clearly at a much closer distance than thenormal 25.0cm. What is the power of the eyes...
- Q A particle with speed V1= 75 m/s makes a glancing elasticcollision with another particle that initially is at rest. Bothparticles have the same mass. After the collision, the struckparticles moves...
- Q Consider a thin spherical shell located between r =0.49a0 and 0.51a0. For the n = 2, l = 1 stateof hydrogen, find the probability for the electron to be found...
- Q aforce of 35N is required to start a 6kg box moving across ahorizontal concrete floor. (a) what is the coefficient of thestatic friction between the box and floor? (b) if...
- Q 1.Consider a negative point charge. Sketch electricfield lines, including their direction.2 Calculate electric field of 1 electron at a distanceof 0.1 nanometer away from it. Express your answer in SIunits.3...
- Q Consider a sheet of paper with a thickness of 0.1 mm anda dielectric constant of 3. Suppose we would like to make a 1 Fcapacitor using this sheet as a...
- Q A small solid sphere of mass M0, of radiusR0, and of uniform density Ï0 is placed in alarge bowl containing water. It floats and the level of the waterin the...
- Q Let's figure out the energy and momentum associated with thatmotion.For the purposes of this problem, treat the Earth as a solid,uniform sphere with mass 5.97×1024 kg and radius6.37×106 m ,...
- Q Two identical twins hold on to a rope, one at each end, on asmooth, frictionless ice surface. They skate in a circle about thecenter of the rope (the center of...
- Q A 30 kg projectile is launched from the ground at an initialvelocity of 300 m/s at an angle of 45 degrees above the horizontal.If air resistance is ignored, determine the...
- Q 1. Provide an example of an inertial frame of reference and anon-inertial frame of reference. Explain the difference.2. Using the Michelson-Morley experiment as an example, explainwhy classical mechanics was unable...
- Q a) The operator aˆ satisfies the equation [aˆ, aˆ†] = n. Provethat n is a real number. [Hint: Apply the Hermitian conjugationoperation “††to the above equation.]b) Consider the Hamiltonian...
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