An item with beginning speed v0 is projected from the edge of the roof of a structure of height H. The object's initial velocity produces an angle a0 with the horizontal. Don't think about air resistance. What is the speed of the item shortly before it hits the ground if a0 = -90 and the object is thrown straight down? %3D
Q: A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of...
A: Given that,Mass of the ball : m = 2.4 (kg) Initial velocity : vi = -2.5 (m/sec)Final velocity : vf...
Q: 2. Determine the minimum value of P to just lift the block W = 500 N, where 0 = 20°, as shown. The c...
A: Given, w= 500 N θ= 20°μs1=μs2=μs3=0.30
Q: A spring which has an elastic potential energy of 45.0 J and a force constant of 175.50 N/m has been...
A: This is a very simple question. we will try to solve this question as easy as we can. Now when we ha...
Q: If you attach a 150 g mass to the spring whose data are shown in the graph, what will be the period ...
A: Hey dear Have a look
Q: "hat is the value of the inductance L? xpress your answer with the appropri View Avallable Hint(s)
A: Given values are, Current= 70mA, frequency= 15 kHz, and rms voltage= 6.0V.
Q: Plane in .25 A. Slate the Mimer indiceS and the direction vector of this plane. b) What is the dista...
A: Miller indices can be calculated from the x, y and z intercept. Using inter planar spacing i.e dista...
Q: What are the main products of the fusion reactions that take place in low mass main sequence stars?
A: The problem is based upon the concept of the main-sequence star which is studied extensively in astr...
Q: As we've seen, swimming underwater impairs your eyesight. The same is true for aquatic species that ...
A: Introduction: The farsighted eye can focus on distant objects but not on near objects. Closer articl...
Q: A basic pendulum (a mass swinging at the end of a string) moves in a circular arc. What is the direc...
A: The acceleration vector is in opposite direction to the displacement vector at every point of the ci...
Q: A position-time graph of a spring is shown here. What is the approximate amplitude of the spring's m...
A: Spring graph.
Q: How far above the Earth's surface must a satellite be located if it is to circle the Earth in a time...
A: Given, Time period is 28 hours
Q: Two converging lenses with focal lengths of 35 cm and 54 cm are combined to make a single lens. Part...
A: Given that,Focal length of first lens, f1=35 cmFocal length of second lends, f2=54 cmWe can write:-F...
Q: 2. From figure shown, block A weights 60 N and it is connected to block B using a light string that ...
A:
Q: A Si sample in thermal equilibrium at 300 K is doped with 1 x 1019 phosphorus atoms. Determine the c...
A: Given data, Density of donor atoms = 1x1019 m-3 Mobility of electron in Si at room temperature = 0.1...
Q: A ball is thrown vertically upward with an initial speed of 74 ft/sec from the base A of a cliff wit...
A: It is an example of one-dimensional motion under gravity. To solve this problem, we need to have a s...
Q: for abore bamiltonian,find the corneponding tagsangiane-
A: The Hamiltonian of the system is Where p1, p2 are conjugate momenta q1, q2 are generalised coordin...
Q: 2. What is the effect of change in refrective index on light ?
A: The refractive index determines how much the path of light is bent, or refracted, when entering a ma...
Q: A block of mass m-2.20 kg is pushed d= Question 12 t. 3.20 m along a horizontal table by a constant ...
A: Work done on a system is given as the product of the force and distance it travelled. It can be writ...
Q: Use Newton's method to approximate a root of the equation 0 as follows. x° + x +3 Let a1 = - 1 be th...
A: Given: The equation is given as f(x) = x3 + x + 3 = 0 The initial value is x1 = -1
Q: ww 5
A: The mesh equation for loops are given as, Loop 1 as,
Q: If you attach a 150 g mass to the spring whose data are shown in the graph, what will be the period ...
A: We will calculate the slope of the graph and the we will calculate the time period of the oscillatio...
Q: A particle is confined to a two-dimensiona l ring of radius 100 pm. What are the wavelengths of the ...
A: Introduction: The wavelengths of the wavefunctions of the three lowest rotational levels are the sub...
Q: What is the orbital speed at the disk's outer edge in kilometers per second if a protostellar disk i...
A:
Q: Question 17 The figure shows a discharging capacitor. I loked at from the let in the region between ...
A: We will draw the magnetic field lines and also we are seeing from the left so the direction of the m...
Q: 1. A 15.0-kg box sits on a ramp that is inclined at a =40.0° above the horizontal. The coefficient o...
A: Mass of the box m = 15.0 kg Inclined angle α = 40.0o Coefficient of static friction between the box ...
Q: A large lightning bolt had a 20,000-A current and moved 30.0 C of charge. What was its duration? 0.0...
A: The problem is based upon the concept of current. We defined current as, the rate of flow of electri...
Q: A book slides off a horizontal tabletop. As it leaves the table's edge, the book has a horizontal ve...
A: Introduction: A book slips off a horizontal surface, as explained in this question.
Q: In Melde's experiment, the number of loops on a string changes from 7 to 5 by the addition of o.015 ...
A: We need to find here-Initial tension (T1)=?Given-P1=7P2=5T2=T1+0.015 kg.wt
Q: wcred/sec) 183-3 25 128-7 124.1 119.4 75 14.8 125 Ho.2 +50 105.8. 175 lo0.9 200 96-3 260 87-04 243 8...
A: The torque is given by τ=IαI=moment of inertiaα=angular acceleration
Q: What is the frequency of motion of a 2.0 m long pendulum? O 1:3 Hz O 0.35 Hz O 0.61 Hz O 2.84 Hz
A: Length of pendulum L = 2.0 m
Q: A 200g mass of aluminum at 80°C is dropped into 600g of water at 15°C. What is the final temperature...
A: Given data-Mass of aluminium=200 gInitial temperature of Al=800CSpecific heat of Al=0.9 KJ/Kg0CMass ...
Q: A child pulls on a wagon with a force of 67 N. If the wagon moves a total of 45m in 188 s, what is t...
A:
Q: A particle of mass m is moving in a vertical circle of radius R. When m is at the lowest position, i...
A: Given: The initial velocity of the particle of mass m at the lowest position is vi = 0.89445gR
Q: 5. a) Consider a GaAs pn junction, in thermal equilibrium at 300 K, under zero-bias and with dopant ...
A: Hey there, since you have asked multiple questions we have solved the first one for you. Please...
Q: A non-conducting spherical shell of inner radius a = 0.03 m and outer radius b = 0.05 m contains a n...
A: Given: Inner Radius,a=0.03mOuter Radius,b=0.05mVolume Charge Density,ρ=ρ0r2b2=5×10-4C/m3r2b2Distance...
Q: Four capacitors, all with capacitance C, are connected in series as shown in Figure C. What is ih qu...
A: The given problem is based upon the series parallel combination of capacitors. When n number of ca...
Q: (table with values in image attached) a) What would the velocity of the plane be after 48 seconds ...
A: a The average acceleration of the plane is aang=240-8012-3=1609=17.77 mileshrs So, the velocity a...
Q: A diffraction experiment requires the use of electrons of wavelength 550 pm. Ca Icu late the speed o...
A: Introduction: This question discusses how electrons with a wavelength of 550 pm are used.
Q: Muon. A muon produced by nuclear reaction in a space station is moving at 0.950c towards Earth. Its ...
A: Given Velocity (v) = 0.950 c Life time ∆τ = 2.2×10-6 s
Q: agnostic x-ray
A: Photoelectric effect: The PE effect is one of the prominent ways of interaction of x-ray with matter...
Q: 4. A rock is thrown straight down from a 60 m tall building with a speed of 4.0 m/sec. a) How long w...
A: When the rock is thrown down then it will fall under gravity then its acceleration will be equal t...
Q: A woman enters a revolving door on the right, pushing with 425 N of force directed perpendicular to ...
A: Concept: Torque is a force that can cause an object to rotate around an axis. Torqueτ=Force×radius F...
Q: • Part A Aighning fah ocs wen 44C chug mvs tom a cloud to Eath thogh a ptertal dnecef5 10 V Detennie...
A: Given: Charge,Q=44CPotential Difference,V=3.5×105VSpecific heat of water,CW=4180J/kg0CLatent heat of...
Q: A 2-turn planer loop of flexible wire is placed inside a long solenoid of n turns per meter that can...
A: Given that,Number of turns per meter , N=500Current, I0=20AArea, A=20 cm2Permeability of free space,...
Q: mo Ma A CMRT OF MASS mo LAUNCHES A SMAL OBJECT OF MASS m, AT A KNOWN SPEED V, ANO THEN RECOILS AT AN...
A:
Q: A 15 mH inductor is connected to an AC generator with a frequency of 60 Hz and carries a current i (...
A: Inductance L = 15 mH = 0.015 H AC generator frequency f = 60 Hz Maximum current Imax = 8.3 A time t ...
Q: nite length, and a distan
A: From Gauss's law, the electric field as, ∫s E→ .da→ =qencεo
Q: A Si sample in thermal equilibrium at 300 K, with dimensions of width 0.05 cm, length 0.5 cm and thi...
A:
Q: 1, Following picture shows the trajectory of positon and electron inside the liquid hydrogen, when t...
A: When a charged particle enters a region of magentic field, it experiences Lorrentz force given by F...
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images