A 10.5 m fire truck ladder is leaning against a wall. Find the distance d the ladder goes up the wall (above the fire truck) if the ladder makes an angle of 38° 39' with the horizontal. d 6.55 m (Simplify your an hundredth.)

Q: Question 4.. 12 A cell membrane has a surface area of 1.3 x 10-7m², dielectric constant K = 5.2, and…

A: Since the membrane can be modelled as a parallel plate capacitor, its free space capacitance is…

Q: What is the total number of quarks in a helium nucleus consisting of 2 protons and 2 neutrons? 27)…

A: Answer 27: 12 quarks Each proton and neutron are made of 3 quarks, Helium has 2 protons and 2…

Q: In the figure particle 1 (of charge +4.51 mC), particle 2 (of charge +4.51 mC), and particle 3 (of…

A: This question  cane be answered  on the concept of resultant  electric field at the centre of…

Q: A block with a mass of 1.93 kg is sliding with a constant velocity of 3.91 m/s to the north, which…

A: Given, First block mass, m1=1.93kg Velocity, v1=3.91m/s Second block mass, m2=4.56kg v2=0 Let the…

Q: Find the directional derivative of ∅= 4xz 3 - 3x 2 y 2 z at (2,-1,2) in the direction 2i - 3j + 6k .

A: Solution:-Given thatφ=4xz3-3x2y2zpoint (2, -1, 2)direction-2i-3j+6k

Q: 1. Graph the given values and describe the relationship of the two variables (attached image) 2.…

A:

Q: A mass of 6 kg is attached to the end of a spring with spring constant k = 18 N/m. It is set into…

A: The total energy of the mass is  E=12mv2+12kx2 The initial total energy of the mass is…

Q: Explain the significance of the resonant frequency when measuring inductance in this experiment. How…

A: The resonant frequency is the important term in the measurement of the inductance of nay circuit. It…

Q: A 1-kg ice at -20°C is taken up from the freezer. How much heat in calories is needed to melt and…

A: Given that,Mass of ice : m =1 kg=1000gInitial temperature of ice=−20°CFinal temperature of the…

Q: SA4) A door is opened with a force of 2500.00 N applied on its doorknob 0.60 meter from its hinges.…

A: Given that, the force applied to open the door is F=2500.00 N distance between the doorknob and the…

Q: 3. Draw a unit cell for a FCC crystal below. List all of the quantities associated with the unit…

A: Since you have not attached the question part of second attached image, I am answering for the first…

Q: Astronomy question: Which light can we only observe from space? lights: Viciblo

A:

Q: =) Two people are 150 m apart and a speaker is placed some distance between them (assume all in a…

A:

Q: B 1 kg 30 3 kg

A:

Q: (b) Given that a wave is described by the following equation, extract values for the amplitude,…

A: The question can be solved as follows

Q: Coherent light of wavelength 500 nm traveling rightward from the left passes through a vertical…

A: Given: d=0.0400 mm apart vertical screen is 70.0 cm away on the right  Formula used: ym=mλDd

Q: The work function for platinum is 6.35 eV. Ultraviolet light of wavelength 150 nm is incident on the…

A: Stopping potential is defined as the external potential that is required to make the photoelectron…

Q: question no 3

A: Energy and momentum in a system should be conserved.    Energy in a system remains constant it can…

Q: 1-a What was the energy density of the MBR when light now arriving at the earth left a distant…

A: Given, Red shift , z = 4

Q: Please help

A:

Q: Find the directional derivative of = 4xz^3 - 3x(^2)y(^2)z at (2,-1,2) in the direction 2i - 3j + 6k

A: The directional derivative of ϕ=4xz3-3x2y2z at x,y,z=2,-1,2 in the direction d→=2i^-3j^+6k^ The…

Q: 14.34) Fuel oil of density 820 kg/m3 flows througha venturi meter having a throat diameter of 4.0 cm…

A:

Q: Current Attempt in Progress In the figure, four long straight wires are perpendicular to the page,…

A: Given, a=10.5 cmI=7.00 A

Q: A river of width' a'with straight parallel banks flows due north with speed u. The points O and A…

A:

Q: Name: Student Number: Instructor: Section: PRACTICE &'PROBLEM-SOLVING EXERCISES (PPE) # 3: THE…

A:

Q: 1. Calculate the Q-value of reaction "N(a, p) 0 which occurred in Rutherford's alpha-range in…

A: Given: The atomic mass of the N714 is mn = 14.003 amu The atomic mass of the alpha particle is ma =…

Q: A pump helps bring oil (SG 0.8) to reservoir D from reservoir A at 235 liters per second. The energy…

A:

Q: How muscles and joints work together

A: Muscles are attached to the bones. Whereas the bone is a rigid structure. When the muscles contract…

Q: When the angular velocity of a disc rotating about an axis perpendicular to its plane and passing…

A: Solution:-Given thatInitial angular velocity (ω1)=30 rad/sFinal angular velocity (ω2)=35 rad/schange…

Q: 1. DETAILS KATZPSEF1 23.P.022. Particle A has a charge of 36.5 nC, and particle B has a charge of…

A:

Q: A solenoid of lenght 40 cm has 360 turns of radius 2.8 cm. A tightly wound coil with 8 turns of…

A: Given: Length of solenoid, L= 40 cm=0.04 m Number of turns, N1=360  Radius of solenoid, r1=2.8…

Q: The kinetic energy of an electron taken from a metal having a work function W = 1.36 eV with photon…

A: The question can be solved as follows

Q: Part A Replace the distributed loading with an equivalent resultant force. Express your answer to…

A: Detailed solution is provided in next step

Q: (c) Two pcople are 150 m apart and a speaker is placed some distance between them (assume all in a…

A:

Q: 3. Given the following: Schwarzschild radius rs = 2GM c2 • Compton wavelength e = h Mc 1. Calculate…

A:

Q: Drag the moon to various locations in order to determine the quantitative effect of distance upon…

A: When it is increased by factor of 2, then Fgrav is decreased by factor of 4. When it is increased by…

Q: A hot body is kept in cooler surroundings. Its rate of сooling is 2°C / min. when is temperature is…

A:

Q: 1. What is the binding energy of nucleus? Draw the binding energy per nucleon with the mass number…

A: Binding energy of nucleus : Nuclear binding energy is the energy required to separate an atomic…

Q: 3. Calculate the binding energy (in MeV) for Be4. It is given that, M(Be)= 9.0121858 u, Mp 1.008665…

A:

Q: Aring of Yadius (a) Placed in The X,y Plane has a charge as its longitudinal gra vity() and was d-A…

A: Given: A ring of rdaius a of charge density  λ=A sin θ

Q: A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of…

A:

Q: The amplitude of two sinusoidal waves propagating in the same direction is A = 0.027 m. Due to their…

A: We have given that two sinosoidal wave produces an amplitude of 0.054 we have to choose the correct…

Q: Buildings with high ventilation rates can significantly reduce their heating oad by recovering…

A: Given:

Q: A recent home energy bill indicates that a household used 335335 kWh (kilowatt‑hour) of electrical…

A: Given that, In 1-month energy bill The total electrical energy used is Ee=335335kWh and the total…

Q: through its centre changes from 30 rad/s to 35 rad/s, the change in angular momentum 60 kgm?/s. What…

A:

Q: Discuss about the fundamental forces of nature and their properties.

A: There are mainly four fundamental forces: Gravitational Weak Strong Electromagnetism

Q: Salt water with a density of 6 = 0.25 g/ cm flows over the curve r(t) = /5ti+ 2ij. Osts5, according…

A: Given: ς= 0.25 g/cm2 rt=5ti+2tj

Q: What are the characteristics of the electron spectra of atoms and molecules?

A: In the case of atoms, when transition occurs between different electronic levels, we get sharp lines…

Q: lons of mass 1.17 x10-26 kg and charge q = +2e are initially stationary. They gain kinetic energy by…

A: Concept: Given: Mass=1.17×10-26 kgCharge (q)=2ehere,e=1.6×10-19 CPotential Difference (V)=5.50…

Q: :Tick the correct answer (V) and false answer (x): a- Plasma has only charged particles..... b-…

A: