Physics question and answers for September 27, 2023
- Q 1)You leave your house and walk ten miles to the west, and then fivemiles at an angle 60 degrees west of south. How far and in whatdirection do you need...
- Q theastronauts experiment with the jammer and the feather illustrateswhat?
- Q 42. You are working as an assistant to an air-traffic controllerat the local airport, from which small airplanes take off and land.Your job is to make sure that airplanes are...
- Q 1. What is the momentum of a photon of light that has afrequency of 2.9 x 10^14 Hz?a) 1.5 x 10^-28 kg m/sb) 2.1 x 10^-28 kg m/sc) 4.4 x...
- Q a. A hydrogen atom in the n=5 state decays to the n=3 state.What is the wavelength of the photon that the hydrogen atom emits?Use hc=1240 nm eV.nmb. While in the...
- Q 1.Calculate the momentum and kinetic energy of a 3200 N car thatmoves north at 60 km / h.2. What is the momentum of a 0.003 kg bullet that moves at...
- Q Phasorsw=5+2i, u=2-2i, are two complex numbers written in componentform.a. Draw them in the imaginary plane.b. find w and u in terms of their magnitude and phase.c. Find the new imaginary...
- Q c = 3.0 x 108m/s;       b =v/c;          g(gamma) = 1/sqrt[1 – b2];   u = (u’ + v)/ (1 + u’v/c2);Eph = hf =hc/l;          P= esAT4;    s = 5.67 x10-8 Watts...
- Q The cylinder in the figure(Figure 1) has a moveable pistonattached to a spring. The cylinder's cross-section area is 10 cm2,it contains 0.0051 mol of gas, and the spring constant is...
- Q Muons are elementary particles that have a lifetime of 2millionths of a second. Classically we should not be able to detectthem because they have a very quick decay times, however,...
- Q A child's play rifle uses a spring to fire a 5.21-g soft plasticball. The spring is compressed by 4.99 cm and has a spring constantof 7.94 N/m. When the rifle...
- Q A charge of -2.410 μC μ C is located at (2.980 m m , 4.714 m m), and a charge of 1.615 μC μ C is located at (-2.703 m...
- Q A raft is constructed of wood having a density of 6.00x102kg/m3. Its surface area is 5.50 m2 and its volume is 0.55 m3. Whenthe raft is placed in fresh water,...
- Q The winning time for the 2005 annual race up 86 floors of theEmpire state building was 10 min and 49 seconds. The winner's masswas 60 Kg.A) if each floor was...
- Q state kirchoff rules
- Q A hydraulic lift in a garage has two pistons: a small one ofcross-sectional area 4.50cm2 and a large one of cross-sectionalarea 220cm2 .There are two parts to this question please...
- Q You are arguing over a cell phone while trailing an unmarkedpolice car by 26.0 m. Both your car and the police car aretraveling at 102 km/h. Your argument diverts your...
- Q An empty tin can with height of 30cm and a diameter of 15cm isopen at one end and closed at the other end. If the vertical can,with open end down,...
- Q 1)An object experiences a force in the direction opposite itsmotion. This meansthe work vector points in the negative directionthe scalar value of work is negativethe scalar vector of work could...
- Q Ice to Steam via Water Due this Friday, Dec 4 at 11:59 pm (EST)How much heat is required to change a 49.4 g ice cube from ice at-13.7°C to water...
- Q An electron follows a helical path in a uniform magnetic fieldof magnitude 0.447 T. The pitch of the path is 4.88 μm, and themagnitude of the magnetic force on the...
- Q write a critical review on this paper \"THE INFLUENCE OFARCHITECTURE IN ENGINEERING SYSTEMS\" Engineering SystemMonographENGINEERING SYSTEMS MONOGRAPHThe ESD Architecture CommitteeEdward Crawley, Olivier de Weck, Steven Eppinger, ChristopherMagee, Joel Moses, Warren...
- Q A positron with kinetic energy 3.00 keV is projected into auniform magnetic field of magnitude 0.140 T, with its velocityvector making an angle of 88.0° with the field. Find (a)...
- Q A pair of bumper cars in an amusement park ride collideelastically as one approaches the other directly from the rear, asseen in part (a) of the figure below. ((a) before...
- Q A major league pitcher stands on the pitching mound 60ft 6infrom home plate throws a fastball at 105 mph. Assume both thebatter and pitcher are the same height (6ft 6in)...
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