A watermelon is dropped from the edge of the roof of a building and falls to the ground. You are standing on the sidewalk and see the watermelon falling when it is 30.0 m above the ground. Then 1.50 s after you first spot it, the watermelon lands at your feet. What is the height of the building? Neglect air resistance.
Q: Suppose you hit a baseball with an initial velocity of 55 m/s at an angle of 48° with the ground. Fi...
A: Given: The initial velocity of the baseball is, vi=55 m/s. The projection angle of the baseball wit...
Q: You wish to study the radio emission from the sun at wavelength 1.70 cm. In order to see details on ...
A: a)resolution of the telescope is∆θ=1.22λDso,diameterD=1.22λ∆θ=1.22×1.7×10-29×10-5=230m
Q: In Bohr's model for hydrogen-like atoms, prove the assumption that theangular momentum should be qua...
A: According to Bohr's model, the angular momentum of an electron is integral momentum of h2π. That is,...
Q: What is meant by the terms physical quantity, equal vector and negative vector? ...... 2. Write defi...
A: More than three questions are asked, so 1st three will be answered 1) Physical quantity: A physical ...
Q: Please good handwriting and clear ideas explaining the process! 4E Solve the highlighted question ,...
A: Given, radius of toroid is, r= 10 cm cross-sectional area is, A = 0.5cm2 inductance of toroid is, L...
Q: Consider an electron orbiting around a proton with an orbital radius of R=8.48⋅10−10R=8.48⋅10-10 m. ...
A: For the electron (e) orbiting around the proton (Ze), the force of attraction on the electron is due...
Q: 4. calculates the magnitude of the tangential velocity of an object that describes a circumference o...
A: Given: Radius of circumfrence,r=1.2 m,Time, t=1.6 sec Vt=2πrtVt is the tangential velocity,r is the...
Q: Two traffic signals are attached to the 36 ft support cable at equal intervals as shown. Determine t...
A: from the figure,A'B + BG +GD' = AD12 COSα +12 COSβ +12 COSγ =35FB + GC = EC12 SINα + 12SINβ = 12SINγ...
Q: An electron beam passes through a region between two plates with a potential difference giving rise ...
A: Given: The magnitude of electric field between two plate is, E=104 V/m. The magnitude of external m...
Q: 5. a) A monochromatic light of wavelength 450 nm is incident on a metal surface in a vacuum tube. i....
A: Given, Planck's Constant,h=6.626×10-34JsWavelength,λ=450nm=450×10-9mSpeed of light,c=3×108m/s (i) We...
Q: A long, straight conductor carries a current of 2.0 A. At what distance from the axis of the conduct...
A: Given DataI=2 AB=0.5×10-4 TLet a be the distance from the axis of the conductor caused by the curren...
Q: A 9.00-kg hanging weight is connected by a string over a pulley to a 5.00-kg block that is sliding o...
A: Given that: The system is m1=5 kgm2=9 kgμ=0.2
Q: Meissner effect states that all external applied magnetic fields are expelled from superconductors. ...
A: Materials that have zero resistance are called superconducting materials. For a material to have zer...
Q: 0.8 0.6 0.4 Relative Flux [arb. unit] 1.
A: a. The observed wavelength of Hα is 800 nm and reletive flux is in between 0.8 to 1.0 arb.The observ...
Q: The diagram below shows a weather instrument used to determine relative humidity. 20 O Y.... I.........
A: Given data: Temperature of the wet bulb Tw=14°C. Temperature of the dry bulb Td=22°C.
Q: please attention x=0 y=0 z=5
A: Note: As per our policy we can solve only one different question. Please resubmit the remaining ques...
Q: If the non-time dependent Schrödinger equation is given for an object under the influence of a centr...
A: Given, Time independent Schrodinger's equation for the wave function under central force is -b22m1r2...
Q: please fast
A: Given that,ρs=2ε0r2Cosϕwhers, ρs=QA=dq2πrdrwe can write, ⇒∫0Qdq=∫x=abρs.2πrdrQ=∫ab2ε0r2Cosϕ×2πrdrthe...
Q: An impermeable membrane (See figure above) is placed at the bottom of a U-tube, then equal amounts o...
A: ρogho=ρwghwhohw=ρwρo=10.843=1.186total height on both side =2h=ho+hw2×16.5=ho+hw33=1.186hw+hwhw=15.0...
Q: A block rests on a frictionless surface and is attached to the end of a spring. The other end of th...
A: We know that the time period is inversely proportional to the frequency. here is the given diagram...
Q: Write a balanced nuclear reaction for the following: 216 Po → 0 β + ______ 84 -...
A: Given,P84216o→β-10+ _
Q: if 300 g of ice at -5 degrees celcius, 100 g ice did not melt when equilibrium (t=0°C) is reached. h...
A: Initial Amount of ice, M=300 g Initial temperature of the ice, Ti=-5° C it is said that the 100 gm o...
Q: For the circuit below, the total resistance is specified. Determine the required total resistance b...
A: Here, we use the formulae for equivalent resistance and current.
Q: A cathode-ray tube accelerates electrons through a 20 kV potential difference. To what speed are the...
A: In a cathode ray tube, when the potential difference is applied at the two ends of the electrodes th...
Q: An 18-gauge copper wire with a diameter of 3-mm carries a constant current of 1.2-A. The charge conc...
A: Given data: diameter of copper wire=3(mm) current in the copper wire, I=1.2(A), charge concentration...
Q: Q1 Find R and concentration of minority carriers for p-type sample with NA = 3 x 1021/m³, l = 1 cm, ...
A: Given data:NA=3×1021/m3l=1 cm=0.01 mA=0.4 mm2=4×10-7 m2ni=2.5×1019/m3μn=0.38 m2/V·sμp=0.18 m2/V·sR=ρ...
Q: solve 59
A: Let solid sphere has mass m and radius R and rolling with constant velocity v. consider a point...
Q: A large parking place has uniform slope of angle 0 with the horizontal. A driver wishes to drive his...
A: The free body diagram can be drawn as This force diagram of this is as follows: From this force di...
Q: Find the maximum and minimum moments of inertia with respect to axes through point 0 of the shaded a...
A: Given Find the maximum and minimum moments of inertia with respect to axes through the point of the ...
Q: The photoelectric equation for the kinetic energy of a photoelectron is, following Einstein, E ≤hf −...
A: When light of a particular intensity is incident on the surface of a metal, the free electrons on th...
Q: i need the answer quickly
A: L=12mx.2-12kx2The Lagrangian equation of motionddt∂L∂x. -∂L∂x=0∂L∂x.=mx.∂L∂x=kxmx..+kx=0mx..=-kxEqua...
Q: An electric filed and a magnetic field are expressed as E⃑ = −2ax + 3ay + 6az andH⃑ = 6ax − 15ay + 7...
A: Given, Electric Field,E=-2ax+3ay+6azMagnetic Field,H=6ax-15ay+7az So, we have to calculate the angle...
Q: i need the answer quickly
A: Here Potential energy is constantm=0.1 kga=10 m/s2NowFor horizontal directionK.E=12mvx2 =12m(ux+axt)...
Q: Please answer asap, it's urgent.
A: Given,λmax=2600A0=2.6×10-7m
Q: Show that two associated springs in parallel can be considered as a single spring equivalent of elas...
A: Given, spring constant of spring 1 is k1 and spring constant of spring 2 is k2. Since both are con...
Q: Please good handwriting and clear ideas explaining the process! 4A Solve the highlighted question ...
A: Since we only answer up to 3 sub-parts, we’ll answer first 3. Please resubmit the question and speci...
Q: On absorption of a single neutron, plutonium Pu-239 can undergo fission into xenon Xe-134 plus zirco...
A: Energy given off in the nuclear reaction = mass defect ×c2=∆mc2 Mass of neutron is 1.008amu Mass of ...
Q: As a new electrical technician, you are designing a large solenoid to produce a uniform 0.150 T magn...
A: Given, magnetic feild B=0.150Tnumber of turns N=4000Length L=1.40mdiameter d= 20cm
Q: Daniel is investigating the forces of gravity and friction by observing different blocks sliding on ...
A: Introduction: Gravity is measured by the acceleration that it gives to freely falling objects. At Ea...
Q: Determine the current in the circuit below.
A: Here, we use the Kirchhoff's circuit law to get the current in the circuit.
Q: A 50 grams ball strikes a wall with a speed v1 = 15 m/s (to the right side) and bounces off with a s...
A: Given, mass =50 gm=0.05 kg v1=15 m/s v2=-5 m/s time=0.04 s From Newton's 2nd Law, we have F=∆p∆t=mv1...
Q: i need the answer quickly
A: Given, length of the string is L=l radius pully is, r = R masses are, m1 and m2. Here the coordinate...
Q: Which of the following statements is true? “The induced current in a loop is in the direction that ...
A: Explanation: 1. TRUE. This is Lenz's law which states that the induced current in a loop is in the d...
Q: Solve 52
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...
Q: . Which of the following units is equal to Weber per square meter? a. Gauss b. Tesla ...
A: In physics , the weber per square meter is the unit of magnetic flux. 1 T =1 wb/m2 So answer i...
Q: Two forces F1 and F2 act on a 5.00 kg object. If F1 = 20 N and F2 = 15 N, find the accelerations in ...
A: Given: F1=20 N,F2=15.0N,Mass of an object,m=5kg From Newton's 2nd law,F=ma,a=Fma=∑F⇀m∑F⇀=F1⇀+F2⇀a=F1...
Q: In the upper half space, which is the empty space, I = 7 A current flows from the infinitely long wi...
A: NOTE: As per Bartleby Guidelines only one part has to be solved at a time. Kindly upload other parts...
Q: 222 Determine the density of a 86 Rn nucleus (in kg/m3³). | kg/m³
A: density ρ=mvm=mass of nucleus =Amproton-neutron=A1.67×10-27kgV=43πr3r=r0A1/3ρ=A1.67×10-27kg43πr0A1/3...
Q: Explain the physical meaning of each term in the equation of acceleration field and discuss the reas...
A: Given: To explain the equation of acceleration field and the reason of material acceleration as,
Q: kg airplane accelerates upwa ne by the air. Make a quantita
A: Given: To find the lift force exerts and draw a quantitative force diagram as,
A watermelon is dropped from the edge of the roof of a building
and falls to the ground. You are standing on the sidewalk and see
the watermelon falling when it is 30.0 m above the ground. Then 1.50 s
after you first spot it, the watermelon lands at your feet. What is the
height of the building? Neglect air resistance.
Trending now
This is a popular solution!
Step by step
Solved in 6 steps
