A 5 kg block slides down a 9 m long incline that makes an angle of 55 degrees with the horizontal. The coefficient of kinetic friction between block and incline is 0.49. Calculate the work done by friction as the block slides.
Q: You find a sealed box on your doorstep. You suspect that the box contains several charged metal sphe...
A: The expression for Gauss’s law is given by: ϕE=qεo Here, ϕE is the electric flux of the field, q is ...
Q: A box of mass 57 kg is suspended by two ropes. Rope one makes a 54 degree angle with the horizontal...
A: Given Mass = 57 kg Angle = 57 degree Gravity = 10 m/s2
Q: A fluid has velocity components u=2(x²-y²) m/s and V=-4xy m/s, where x and y are in meters.
A: Given: The velocity components are u=2(x2-y2) ms-1 and v=-4xy ms-1. Pressure at point B(3 m, 2 m) is...
Q: A hollow spherical shell of radius R that is rotating about an axis through its center has rotationa...
A: The moment of inertia I of a hollow spherical shell about an axis passing through its center is give...
Q: The figure shows two uniformly charged spheres. The left sphere has diameter 60 cm and charge +100 n...
A:
Q: Since potential can have any value you want depending on the choice of the reference level of zero p...
A: An arbitrary zero potential is considered by the voltmeter and the potential at the two points with ...
Q: A box of negligible mass rests at the left end of a 2.00 m, 25.0 kg plank (Fig. ). The width of the ...
A: Given: A box of negligible mass rests at the left end of a 2.00 m, 25.0 kg plank.The width of the bo...
Q: (7, 38) The potential energy for the isotropic three-dimensional harmonic oscillator in Cartesian co...
A: Solution: The energy of the three-dimensional oscillator is given as follows:
Q: Two closely wound circular coils have the same number of turns, but one has twice the radius of the ...
A: Self-induction is the term used in the transformers. This type of induction occurs when the current ...
Q: Explain this statement: “In a static situation, the electric field at the surface of a conductor can...
A: Concept: A static electric charge produces the electric field. The insulators don’t have free charge...
Q: A candle 4.85 cm tall is 39.2 cm to the left of a plane mirror. Where is the image formed by the mir...
A: Given: The distance of the object from the plane mirror is S =39.2 cm The height of the candle is h ...
Q: (III) The americium nucleus, ?5Am, decays to a neptunium nucleus, 2Np, by emitting an alpha particle...
A: The expression from nuclear decay, KE=mAm-mNp+mαc2
Q: A person is jumping on a trampoline. After coming off of the trampoline, he is in the air for 1.8 se...
A: Energy is only conserved in the system of girl + trampoline + Earth. For the remaining systems, ener...
Q: *PLEASE Help with #4* Make a drawing of the path of an object in circular motion at constant speed....
A: Let a particle moves on a circular path with centre C as shown below. Consider two neighbouring posi...
Q: Problem statement attached.
A: Given: The speed of the asteroid at the aphelion is 900 ms-1. The distance from the sun at aphelion ...
Q: The longest pipe found in most medium-size pipe organs is 4.88 m (16 ft) long. What is the frequency...
A: (a) The expression for frequency of standing wave in an open pipe is, f=nv2L (I) ...
Q: Advanced Physics Question
A: a. Lu was running in a straight line in the positive x- axis with a decreasing velocity. At time t=1...
Q: A 24 kg child stands on a roof, 23 m above a trampoline held by firemen. The trampoline has a stiff...
A: If resistive forces are negligible then the total mechanical energy of a system remains conserved. T...
Q: Two swimmers A and B start swimming in river from same point P. One (A) always swims perpendicular t...
A: Given the velocity of both A and B is the same in still water. Also, given A travels perpendicular t...
Q: A coaxial cable consists of a copper wire, radius a surrounded by a concentric copper tube of inner ...
A: Let Q be defined as the charge on the inner conductor. Consider a Gaussian surface at distance r fro...
Q: A coil is placed next to a straight wire. The current in the wire is as shown in the diagram below. ...
A: Given :
Q: A patient has their broken arm suspended by two cables after surgery. One cable has 5 pounds of tens...
A: Given, The forces F1 and F2 and 5 lb
Q: A 60.0 cm, uniform, 50.0 N shelf is supported horizontally by two vertical wires attached to the slo...
A: Free body diagram
Q: Find the variation of atmospheric pressure with elevation in the earth’s atmosphere. Assume that at ...
A: The variation of the pressure p with variation y is given by: dpdy=-ρg ..... (I) Here, ρ is the dens...
Q: An object is undergoing SHM with period 1.200 s and amplitude 0.600 m. At t = 0 the object is at x =...
A: Given: The period of the SHM T = 1.2 s. The amplitude of the SHM A = 0.6 m. The time taken by the O...
Q: A 1-oz bullet is traveling with a velocity of 1400 ft/s when it impacts and becomes embedded in a 5-...
A: Given, The mass of the bullet , m=1 oz=28.35gm=.028 kg Mass of the block, M=5 lb=2267.96 gm=2.27 kg...
Q: A rubber hose is attached to a funnel, and the free end is bent around to point upward. When water i...
A: Bernoulli's equation is given by, P1+ρgh1+12ρv12=P2+ρgh2+12ρv22 Pressure on both sides will be equal...
Q: Answer each of the following relative to the center of the wheel. F = unit v r = unit v unit v %3D %...
A: Force is given as 3N thus F= 3N if r is radius of wheel then r = 50 cm ( 5 grid long ) r = 0.50 m
Q: If you could keep utterly motionless, your de Broglie wave- length would be infinite. As soon as you...
A: Hi. Since you have posted a question with multiple subparts and not specified which subparts you wan...
Q: Imagine an alternate universe where the value of the Planck constant is 6.62607 x 10" J.s. In that u...
A: h = 6.62607*10^11 Js then... apply debroglie equation The Equation is given by λ= h/(mv) where λ= Wa...
Q: Ct-1:
A: Solution: a) The average power spectral density is By substituting the values from the graph, in t...
Q: A pot with a steel bottom 8.50 mm thick rests on a hot stove.The area of the bottom of the pot is 0....
A: Given Thickness = 8.50 mm Area = 0.150 m2 Mass of water ...
Q: When ultraviolet light with a wavelength of 400.0 nm falls on a certain metal surface, the maximum k...
A: The photoelectric equation is given as, Here, E =hc/λ denotes the energy of the incident light, W d...
Q: Adjacent antinodes of a standing wave on a stringare 15.0 cm apart. A particle at an antinode oscill...
A: Part (a) Given: The distance between two antinodes is d=15.0 cm. The amplitude of standing wave is ...
Q: C part only
A: (c) Let l and d denote the total distance from the object to the screen and the given separation bet...
Q: Rank the following temperatures fromhighest to lowest: (i) 0.00°C; (ii) 0.00°F; (iii) 260.00 K; (iv)...
A: C=59F-32= 590.00°F-32=-17.8°C
Q: A projectile thrown from a point P moves in such a way that its distance from P is always increasing...
A: The distance r at any time is given by the relation: r2=x2+y2 Here, x and y are the horizontal and v...
Q: Find the tangential acceleration of a person standing 9.5m from the center of a spinning carousel th...
A: The angular acceleration is 0.15rad/s2, and the radius of circular path is 9.5 m. The relation betwe...
Q: You are in a rocket ship going faster and faster. As yourspeed increases and your velocity gets clos...
A: The frame of reference can be described as the framework that is utilised for the measurement and ma...
Q: In a photoelectric-effect experiment, the stopping potential is 1.37 V if the light used to illumina...
A: Part-a Given: The stopping potential Vs = 1.37 V. The wavelength of the light λ = 475 nm.
Q: A physics lecture room at 1.00 atm and 27.0 C has a volume of 216 m3. (a) Use the ideal-gas law to e...
A: Part (a) Given: The pressure of room is P=1.00 atm. The temperature of room is T=27.0∘C. The volume...
Q: Advanced Physics Question
A: Given: The linear charge density of the infinitely long wire is +3 nCm. The linear charge d...
Q: Two small loudspeakers, A and B (Fig. ), are driven by the same amplifierand emit pure sinusoidal wa...
A: Given data: The distance OA=2.00 m. The distance OB=1.00 m. The distance OP=4.00 m. The speed of th...
Q: When you ride a bicycle at constant speed, nearly all the energy you expend goes into the work you d...
A:
Q: Advanced Physics Question
A: Given : Radius of cylinder (Ra ) = 0.285 cm Radius of metallic shell ( Rb ) = 0.685 cm Length of p...
Q: Inside a starship at rest on the earth, a ball rolls off the top of a horizontal table and lands a d...
A: Given: The horizontal distance covered on planet earth is D. The horizontal distance covered on pla...
Q: A 7130‑kg car is travelling at 31.7 m/s when the driver decides to exit the freeway by going up a ra...
A: work done by non conservative forces = change in total energy work done by drag force = total final ...
Q: The Van Allen belts located above the poles of the Earth have significant magnetic fields. When char...
A: Answer: 1) It is given that, The Van Allen belts located above the poles of the Earth have signif...
Q: Neurons are componentsof the nervous system of the body that transmit signals as electricimpulses tr...
A: Given: The number of sodium ions N = 5.6×1011 ions/m. The length of the axon l = 1.5 cm.
A 5 kg block slides down a 9 m long incline that makes an angle of 55 degrees with the horizontal. The coefficient of kinetic friction between block and incline is 0.49. Calculate the work done by friction as the block slides.
(Please answer to the fourth decimal place - i.e 14.3225)
Work done by friction
Step by step
Solved in 2 steps
