2. Find the value of P and F so that the four forces shown in the figure produce an upward resultant of 300 lb acting at 4 ft from the left end of the bar. 100 lb P F 200 lb.
Q: In the Sun's core, thermonuclear reactions produce the energy which eventually produces the Sun's lu...
A: Given: Tcore≈1.6×107Kρ=1.5×105 kg m-3σ=2.75×10-48 m2 Formula used: The approximate reaction = Total ...
Q: Is the amount of air displaced by a hydrometer taken into account when computing the specific gravit...
A: A hydrometer is a device that works on the basis of Archimede's principle. This principle states tha...
Q: 8. A swimmer able to swim at 2.0 m/sec wants to cross a 100. m wide river that flows at 1.0 m/sec. a...
A: Given: The velocity of the swimmer is v=2 ms. The velocity of the river is vx=1 ms. (along x-axis) ...
Q: 2. A beta particle emitted in nuclear decay has a kinetic energy of 2600 eV. What is its speed?
A: 2. Given:Kinetic energy of beta particle emitted from nuclear delay isKE=2600 eV
Q: The following is a must when entering Physics Lab except Select one Oa long pants OD lab coat Oc. co...
A: Given the list of important things which are needed to enter a physics lab out of which we should fi...
Q: In the figure shown, the n-p-n transistor acts as a switch. 5 V 4.8 k2 V_1) 12 k2 2 V V(1) r (in sec...
A:
Q: #11 Uniformly Charged Sphere A uniformly charged sphere of radius R bears a charge Q uniformly distr...
A: Concept: In order to solve this question we will consider a Gaussian surface inside and outside of u...
Q: 5. A satellite has an orbital radius 100 km above the Earth's surface. a. What is the špeed of the s...
A: In a stable satellite orbits the force of gravity balances the centripetal force. The orbital veloc...
Q: amplitude of the motion. Ex. 59 : The equation of S.H.M. is x 5 (10 xt +. Find the epoch, period and...
A: To find-(1) amplitude(a)=?(2) Epoch (α)=?(3)Period (T)=?Given-Equation of S.H.M. is-x=5sin 10πt+π2
Q: 3. A block of mass m=3 kg is attached to a spring with spring constant k = 250 N/m. Then it was pull...
A: This is a question of spring block system. From the given spring constant and made of the block we c...
Q: Q. 17: The ratio of acceleration due to gravity at height (3R) above earth's surface to the accelera...
A:
Q: Q3:A- a cylindrical fuel rod consist of a fuel region of diameter (10mm). If the temperature at the ...
A: Given; diameter = 10 mm temperature at the center line = 18000C qlll=4 x 108 W/m3
Q: A thin film of soap with n = 1.40 hanging in the air reflects dominantly red light with A = 664 nm. ...
A: Given:Refractive index of soap, n1=1.4Wavelength of red light, λ=664 nmRefractive index of glass she...
Q: Each of the systems shown is initially at rest Neglect axle friction and the mass of each pulley. 10...
A: For system 1, mass of block A is, mA = 200lb mass of other block is, mo=100lb initial velocity is, u...
Q: What is the equivalent resistance between points A and B when R = 77.6 0? 5R В R R 5R A ww 4R
A:
Q: uted using the values 4.5m for the diameter and the maximum error in V if each of these values
A: Given : height of cylinder is 8.6 cm and diameter of cylinder is 4.5m error in diameter is given by ...
Q: A light bulb is rated at 300 W when operated at 120 V. How much charge in C enters (and leaves) the ...
A: The Power of a resistive element is defined as the product of Current and Voltage across it. P=VI He...
Q: With the help of o Jovwo intond to
A: Given diagram:
Q: 1) A mass in the plane 请输入答案 Exercise: Determine the D.D.F. of the systems() 2) 2.
A:
Q: 3. A solid, insulating sphere of radius a has a uniform charge density p and a total charge Q. Conce...
A: The schematic diagram of the problem is shown below
Q: A part of a 4 cm long nail protrudes from the wall as shown in the figure. If a a force F is applied...
A: Solution: a). The angle between the applied force can be calculated using the given information. b)....
Q: When a stone of mass 2.3 kg is dropped from a height of 3.5 m. its speed is 5 ms when hitting the gr...
A: Here, Mass = 2.3kg Speed = 5m/s Height = 3.5 m
Q: 4. Find the maximum magnitude of P that can be applied if the allowable tensile force is 5 kN and al...
A: Concept: Here we have to determine the Maximum magnitude of Force at point P. For this we apply the ...
Q: 5. Find the electric potential at the upper right corner of the rectangle -7.5 nc 2.0 cm 5.0 nc 10.0...
A: we need to find the electrostatic potential at top right corner -24
Q: Staning from rest, a car of mass 1700 kgreaches a speed of 15 ms in 7.8 s What is the average power ...
A:
Q: According to Newton's law, therate of coolingis proportional to the difference between the temperatu...
A:
Q: 2: An electron in an atom revolves around the nucleus in an orbit of radius 0.5 A. Calculate the equ...
A: The radius of orbit of the electron around the nucleus is given as, r=0.5 Ao (or) r=0.5×10-10 m The ...
Q: 4 in. 120 Ib 12 in. -12 in.
A:
Q: How does graphite, gold, silver, and copper are used in engineering activities.
A: 1. Graphite used in engineering as • Lubricant (mechanical engineering) • Components of elec...
Q: ww +40 V - 40 V 60 V 0.250 9.3330 40 4000
A: Given circuit:
Q: d. 34 35 73 50
A: The vector of magnitude 73 makes an angle 75° with the horizontal. It has two components one along p...
Q: The mean free path λ is given by , in few lines explain the physical significant of λ. Assume ideal ...
A: The pressure of the space shuttle is given as, P=1.03 Pa The diameter of the space shuttle is given ...
Q: Which of the following is not one of Newton's laws? O All objects fall with equal acceleration. F=ma...
A: Newton's first law:- An object at rest stays at rest if there is no external force acts on it. Ne...
Q: On a cold day, when the air temperature is 0°C, you empty your lungs and take a deep breath, filling...
A: Given,P=constantinitial Temperature T1=0°C=273.15KFinal temperature T2=37°C=273.1+37=310.15Kinitial ...
Q: A 36 kg block is moving across a horizontal surtace at 9.5 ms What is the magnitude of the force req...
A:
Q: please use 180 Ibs Answers: a) Your Weight (Planet 1) Lbf Specific Weight of Water Lbf/Ft^3 b) Your ...
A: In this case, the object is falling from rest for a period of time with some striking velocity for t...
Q: A 96.0 cm long cylindrical stick is made of glass with refractive index 1.60. The ends of the stick ...
A: Given, R1=8cmR2=16cm The refractive index of air, n1=1.0 The refractive index of glass, n2=1.6 For t...
Q: If 545 g of tissue receives 7 Joules, how many Grays are absorbed?
A: Gray is a unit used to measure the amount of radiation absorbed by any object, when some radioactive...
Q: A stone weighs 105 lb in the air. When submerged in water, it weighs 67.0 lb. Find the volume and sp...
A:
Q: A moon of Uranus takes 13.5 days to orbit at a distance of 5.8 ✕ 105 km from the center of the plane...
A:
Q: If a net forçe is acting on an object. Select one. Oa its velocity must be constant Ob its accelerat...
A: Answer : From Newton's 2nd law, we know , the magnitude of applied force on a body is equal to the...
Q: Teo point charges are placed on the as. Egue The first charge =8.00 mc.s placed a dstance 16.0 m fro...
A: Given data: q1=8 nC. q2=6 nC. Coordinates of point A 0, 12 m The electric field is given as, E=Kqr...
Q: Find the total capacitance in micro farads of the combination of capacitors shown in the figure belo...
A:
Q: A cylindrical bar magnet weighing 150 g and measuring 2 cm in diameter and 10 cm in length oscillate...
A: Mass of the bar magnet, m=150 g=0.15 Kg diameter of the cylinder, d=2 cm radius, r=1 cm=0.01 m Lengt...
Q: In the diagram below, the E-field at peint Pis rere. Particles Aare charged c 320 . ASre mpart. Dete...
A: Given, charge at A is, QA=5μC charge at B is, QB=320μC Distance between A and B is, d=11m Accordin...
Q: Two children are riding on a merry- go- round. Child A is at a greater distance from the axis of rot...
A: Tangential acceleration (at) is a measurement of how tangential velocity (vt) of a point at a certai...
Q: Q86. A watt is a. 1 joule per second b. Equal to 1 (kg)(m^2)/s^2 c. The unit for all types of power ...
A: Watt: It is the unit of power. Power is the rate of work done. 1 W=1 J/sSince J=Nm=kgm2/s2So1 W=1 kg...
Q: Two point charges +4q and +q are placed 30 cm apart. At what point on the line joining them the elec...
A: Given, Two point charges which are 30 cm apart to each other.
:D
Step by step
Solved in 2 steps with 1 images
