2-A spacecraft is measured to be 120.0 m long and 20.0 m in diameter while at rest relative to an observer. If this spacecraft now flies by the observer with a speed of 0.99c,
Q: When you push the wall with a force of 27N, the wall pushes back with the force of 27N in opposite d...
A: According to Newton's third law of motion, when an action force is applied to a body, an equal and o...
Q: which of the following is true about support force. Choose all that apply. A. A 2 lbs book i...
A: Support force is also called normal force. It always acts perpendicular to the contact surface.
Q: An astronomer is calibrating a spectrometer that uses a dittraction grating to separate light in ord...
A: Diffraction Grating A diffraction grating is an optical instrument that is used to split a wave of l...
Q: An proton is traveling in the -X direction and is slowing down. What is the direction of the E-field...
A: Force on a charge The force on a charged particle q, when an electric field E is applied to it is F=...
Q: The dispersion relation for one dimensional lattice vibrations of chain of identical mass m, in wiOa...
A: Option b is correct
Q: Write and explain the three groups of materials according to their magnetic properties? What kind of...
A: On the basis of magnetic properties we have mainly three groups of materials :- (1) Diamagnetic mate...
Q: FAA stands for
A: Federal Aviation Administration
Q: Explain the laws of thermodynamics to cyclic processes ?
A: To answer: The laws of thermodynamics to cyclic processes
Q: Question no.3 What are quarks? Explain the quark model. Also give two factors which do not support t...
A: Quarks are fundamental particles of spin-1/2 from which all hadrons are made up. Baryon consists of...
Q: Please show all work and circle your answer. Thank you
A: Like the relation between Linear Momentum (P) and Linear Velocity (v) is, P=mv (1) where m is the...
Q: The sine wave in the Simulink model below has a peak voltage of lv. The output displayed on the scop...
A: Given : Peak voltage of sine wave = 1V
Q: You measure the velocity of falling object at several times given in the table below. Time (s) Veloc...
A: Given, Data for time and velocity
Q: kg mas:
A: Given: The mass is 30 kg The spring is mass less which stretches to a distance 2 cm.
Q: How is light emitted?a) Klystron valvesb) Radioactive decay of the nucleusc) Transmission of high en...
A: Option c
Q: What is the minimum Energy possessed by the particle in a box?
A: b) π²ℏ²/2mL²
Q: Light of intensity I, is incident on a polarizer. The transmission axis of the polarizer is vertical...
A: (ii) Introduction: Polarization is a property applying to transverse waves that specify the geometri...
Q: In a simple harmonic motion, when the displacement is one half the amplitude, what fraction of the t...
A: To answer: In a simple harmonic motion, when the displacement is one half the amplitude, what fract...
Q: To a light beam (of negligible mass), two antiparallel forces are applied, as shown in the figure. T...
A: The distance "l" that separates both forces.given,Distance from F2 to point O.F1= 9.8 N F2= 5.7 Nne...
Q: P3
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: The truss is made of three A-36 steel members, each having a cross-sectional area of 400 mm2. Determ...
A: Given: Height of triangle h=0.8 m Area=400 mm2 Energy, E=200 Gpa Length ,l=1 m =1000 mm Change in le...
Q: What is the method for determining the distance of an inferior planet? a) Kepler’s third law of plan...
A: Copernicus
Q: Is the function, ψ(x) = A exp(-|x|), qualifies to be a wave function of a particle that can move alo...
A: No, it can not qualify as a wave function.
Q: What is the weight of a 15kg object on Moon? g on moon=1.6m/s^2 A. 24 kg B. 24lbs ...
A: Given : Object weight = 15kg g = 1.6m/s2
Q: The reflecting surfaces of two intersecting flatmirrors are at an angle of 62◦, as shown inthe figur...
A: Given The angle between Flat mirror = 62° Horizontal mirror angle = 43°
Q: Phonons are discrete and quantized Select one: True O False
A: Given:- Phonon s are discrete and quantized is:
Q: Calculate the Zero-point energy for a particle in an infinite potential well for an electron confine...
A: Explanation: Here, m = 9.1 X 10-31 kg, L = 10-9m.Therefore, E = π2ℏ22mL2= 3.14 X 3.14 X 1.05 X 1.05 ...
Q: How Does Virtual Reality Benefit Manufacturers, in point of view of Industrial Engineer? Site an exa...
A: VR has reduced the time spent on revisions in product design. A study published on Advances in Compu...
Q: A 200 kg box
A: Given: Mass M=200kg Force F=70 kg Angle made θ=43° above the horizontal Coefficient of friction betw...
Q: A mass m is vertically suspended from a spring of negligible mass; the system oscillates with a freq...
A: Given: The frequency of the system, if a mass 4m is suspended from the same spring is identified be...
Q: An proton is traveling in the -X direction and is slowing down. What is the direction of the E-field...
A: In the direction of movement of proton
Q: What is VR
A: VR is an acronym for Virtual reality
Q: *15-40. The boy jumps off the flat car at A with a velocity of v = 4 ft/s relative to the car as sho...
A:
Q: When object is in non free fall state. choose the correct statement about acceleration of the object...
A: Newton's Second Law of motion According to Newton's Second Law of motion, the rate of change of mome...
Q: What is electric potential caused by a+75 pC at a distance of 25 cm? ......
A: V=kqr
Q: A linear harmonic oscillator of force constant 2×106 N/m and amplitude 0.01m has a total mechanical ...
A: C)
Q: A wire of 20cm long and 0.6cm2 cross-sectional areas is containing 8.49x1012 electrons traveling at ...
A: The time taken by the electrons to travel through the length of the wire is, Δt=LvΔt=20 cm1.08×107 m...
Q: Which is the closest star to earth
A: Proximà Centauri
Q: When the motion of a body is confined to only one plane, the motion is said to bea) plane motionb) r...
A: Plane motion
Q: Two firecrackers explode simultaneously 125 m apart along a railroad track, which we can take to def...
A: a) Time is invariant in any reference frame according Galilean transformation.So fire explodes at ...
Q: What do you mean by relativistic motion
A: Relativistic mechanics, science concerned with the motion of bodies whose relative velocities approa...
Q: I'd like help with the following problem: An Atwood machine consists of two masses m1 and m2 att...
A:
Q: A loaded vertical spring executes simple harmonic motion with a time period of 4 sec. The difference...
A: 2 second
Q: The springs only stretch and compress in a linear way. They do not twist nor bend. 1. Determine the ...
A: (a) if twist or bend is not allowed then this system can act as zero degree of freedom as when oscil...
Q: Show that the girl at A can throw the ball to the boy at B by launching it at equal angles measured ...
A: Given: vA=10 m/s u1=45∘-15∘=30∘ u2=45∘+15∘=60∘
Q: Please show all work and circle your answer. Thank you
A: Given:- Distance between the floor and center of mass when standing erect is: ...
Q: When the velocity of an aeroplane is doubled, the momentum ___________
A: When the velocity of an aeroplane is doubled, the momentum ___________
Q: A simple pendulum consists of a bob of mass of 0.85 kg attached to a string of length 1.5 m. The pe...
A: Given m=0.85kg L=1.5m h=0.08m
Q: Pls help
A: Given: The three-point charges are +3Q, +5Q, and +4Q. Introduction: Electric flux is the rate of flo...
Q: An insulated piston–cylinder device initially contains 0.3 m3 of carbon dioxide at 200 kPa and 27°C....
A: Assuming that CO2 behaves as an ideal gas with constant specific heats i.e. PV=nRT (1) and that e...
Q: No need to fill out graph, just parts 2 and 3.
A:
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
