The engine of a crane uses power p to lift a stole beam. By what variable must the motor's power boost to elevator the beam 2x as high in 1/1 the time?Select one:a. 4.00b. 2.00c. 1.00d. 2.00

### Want to view this answer and also more?

Experts space waiting 24/7 to provide step-by-step solutions in as quick as 30 minutes!*

See Answer*Response times might vary by subject and also question complexity. Median an answer time is 34 minutes for paid subscribers and also may be much longer for promotion offers.

You are watching: The motor of a crane uses power p to lift a steel beam.

Q: Two kids push on opposite political parties of a door during play. Both push horizontally and also perpendicular ...

A: The an initial child uses a pressure F1 = 17.1 N in ~ a distance r1 = 0.551 m indigenous the hinges, ~ above one side ...

Q: A sphere is thrown straight down with an early velocity that -10 m/s. After ~ 5 seconds its velocity wil...

A: Given values- vi=-10mst=5 secondsDownward direction is an unfavorable therefore acceleration due to grav...

Q: While at remainder you throw a football in the air at an edge of 35◦from the horizontal at a speedof 10 ...

A: Given, when at remainder you throw a soccer in the air in ~ an edge of 35◦ from the horizontal at a spe...

Q: (a) You want to use a lens with a focal size of 35.0 cm to produce a real image of one object, with...

A: (a)m=hih0=2h0h0=2Also,di=-md0 =-2d0real image is produced by the convex lens and also for genuine imag...

Q: 13. What is the resistance the a circuit through 220V and also 4A?14. What is the resistance of a circuit wi...

A: 13. V = 220 by means of = 4 AFrom ohm's law V = IRTherefore, R = V/IR = 220/4R = 55 Ω

Q: I don't. Understand what I'm doing wrong please help

A: To deal with the problem, use the formula f=12πgxGiven, x=6.0 mm=0.006 mWe know, g=9.8 m/s^2Hence the...

Q: a sled, with a mass=6.50kg, is sliding down a snow-covered hill that has actually a steep of 45.0 degrees. Th...

A: Draw the free-body diagram of the mass as shown velocity.

Q: Two forces, (71.0N in the optimistic x direction and also 33 N in the an adverse y direction) plot on a 156.0 ...

A: The object's fixed is,m=156 kgThe used in the x-direction is,Fx=71 NThe applied in the y-direc...

Q: Assume the 50 % that the potential power of a rain-drop turns into internal energy of the drop, as ...

A: Relation between potential energy and also internal power of drop follow to the question,12PE=U ...

Q: Suppose one's hand exerts a pressure of 15 N upward on a book weighing 12 N. The reaction come the pressure ...

A: Click to watch the answer

Q: The number is showing displacement and time graph for a relocating train. Cite where the velocity is ...

A: Here the displacements is enhancing at the region a to b with respect to time, for this reason it means that acc...

Q: What is the wavelength (in meters) of an earthquake that shakes you through a frequency the 15.0 Hz and also ...

A: The frequency the the earthquake is,f=15 HzThe street traveled by the wave is,d=100 km=105 mThe...

Q: Can both the electrostatic force and also the gravitational pressure be one of two people attractive or repulsive? Expl...

A: Click to watch the answer

Q: A ABBThe cross product ofandvectors was shown byvector. Please calculate thevector.A = 2i – j...

A: Click to see the answer

Q: A 1660 kg rocket is to be released with one initial upward rate of 59.0 m/s. In order toassist that is ...

A: Given quantities:mass the the rocket (m) = 1660 kglaunching speed (v) = 59 m/sangle of inclination...

Q: In (Figure 1), an 78 kg building and construction worker sit down2.0 m from the finish of a 1450 kg stole beam to ...

A: The fixed of the stole beam is M = 1450 kg.The mass of the building worker is m = 78 kg.The l...

Q: A 56 kg ice skater traveling at 4.0 m/s to the north all of sudden grabs the hands of a 65 kg ska trav...

A: Click to check out the answer

Q: 29. A round of fixed M is sustained by a string the passes end a light horizontalrod of size L ...

A: In fundamental mode the size of the cable will have actually one fifty percent wave size of standing wave, allow th...

Q: W = K;If the hand go 40 J ofwork top top the 2.5 kg cart,how quick will it travel?(assume minimalfr...

A: Calculate the rate of the dare by making use of the offered concepts.W=KfW=12mv240 J=12×2.5 kgv2 v=5.66 ...

Q: At one instant, force F=4.0j N acts on a 5kg thing that has position vector: r = (2.0i - 2.0k) and also ...

A: Given data*The given force acts on the thing is F = 4.0j N*The object has actually a place vector is r→...

Q: Talking around before and after two objects collision, i m sorry statement is correct?O the kinetic ener...

A: According to regulation of conservation of momentum in any collision always the inert is conserved

Q: The figure listed below shows 2 blocks. The top block has actually a mass of 4.0 kg and the lower block has actually a mas...

A: The mass of the top block is m1 = 4 kg.The fixed of the reduced block is m2 = 3 kg.The coefficient ...

Q: Assume that the mean galaxy consists of 1011 MSun and also that the average distance in between galaxies is ...

A: The average density of issue in galaxies isρ=mV=m43πr3=1011Msun43π10 millionlightyears×9.46×1021 m...

Q: A shop sign weighing 200 N hangs from the finish of a uniform 180-N beam as shown in (Figure 1).a. Fin...

A: Weight of shop authorize is Ws=Fs=200 NWeight the the uniform beam is Wb=Fb=180 NDistance of the shop si...

Q: Point v magnetic induction of 7.3uT is in ~ distantance 88cm native the centre of infinitely lengthy con...

A: magnetic field due to infinite wire is B=u0i2πri=B2πRu0

Q: according come what friend learned indigenous the vector enhancement experiment, if we have actually vectorsa = 2.4x – 3ŷ...

A: Given:a→=2.4x^-3y^b→=4x^+5.5y^Introduction:The vector components of the same directives room adde...

Q: (25%) difficulty 3: A block of fixed m=3.5 kg is attached to a spring with spring consistent k = 730N/m. ...

A: Given data*The fixed of the block is m = 3.5 kg *The spring consistent is k = 730 N/m*The given angl...

Q: Red light through a wavelength of 630 nm strikes a dual slit through a spacing the 0.65 mm. If the interf...

A: The wavelength that the occurrence red light is λ = 630 nmThe spacing between the slits d = 0.65 mmThe...

Q: Microwaves used in microwave ovens regularly have a wavelength of around 26 cm. What is the frequency of...

A: Click to check out the answer

Q: Refer come the image. Identify the moment arm, do, for static equilibrium. M1=311g, M2=480g, and d2=3...

A: Click to view the answer

Q: A proton moves at a rate of 7 x 10 ^ 5 m / s v a uniform magnetic field, who magnitude is 6...

A: Given :Velocity (v) = 7 x 10 ^ 5 m / sCharge (q) = 1.6 * 10^-19 CB = 6.4 mT = 6.4 * 10^-3 TWe kn...

Q: The surface ar of the Sun has a temperature of about 5,800 K. The radius that the sunlight is 6.96 108 m. Cal...

A: The emitted power or the strength is offered by the formula:E=σεAT4-T04E=Radiated energyσ=Stefan-Boltzm...

Q: 1. Two allude charges of exact same magnitude and but opposite authorize are situated on a best angletriangle (...

A: Hello. Since your question has multiple sub-parts, we will deal with the first three sub-parts (a, b, an...

Q: An extraterrestrial spacecraft is flying overhead at a good distance together you stand in her backyard. You check out it...

A: Given Data:The relative time is offered as, ∆t'=0.150 sThe appropriate time is given as, ∆t=12.0 ms Par...

Q: A police car is sounding a siren v 1280 Hz on a 20A???? You room driving down the roadway at 118 km/h...

A: Given dataThe frequency that the siren on 20° is f = 1280 Hz.The velocity that the car is vc = 118 km...

Q: Consider the circuit shown in the figure.S7.20(a) What is the current, in amperes, ~ above the 7.2N1....

A: since you have posted a inquiry with many sub-parts, we will solve an initial three sub-parts for yo...

Q: A ray of irradiate traveling in water is event on an user interface with a level piece the glass. The wavele...

A: Click to watch the answer

Q: Two an easy harmonic activities of same frequency w buthaving displacements in two perpendicular direct...

A: Two basic harmonic movement of exact same frequency, The equations of motion are given as,X = aSin(ωt+a1)...

Q: If a diffraction grating produces a third-order bright spot for red irradiate (of wavelength 700 nm) in ~ ...

A: Given Data:The wavelength the third-order bright spot is, λ1=700 nmThe edge from the central maxim...

Q: Would you expect a big or small stress come be compelled to deform a spider web? Why is this elastici...

A: spider web has actually a huge value of elasticity , that is if we save on increasing the applied force top top t...

Q: A an equipment launches horizontally two identical balls (A and also B) simultaneously (at the sameinstant of ...

A: Both the balls are introduced horizontally.Hence the upright component of early velocity the both th...

Q: 1. What is electricity?2. What is magnetism3. When do magnets entice each other? as soon as do theyrep...

A: Since we just answer as much as 3 sub-parts, we’ll answer the very first 3. Please resubmit the question and also s...

See more: Can Triamcinolone Acetonide Cream Be Used For Acne ? Can Triamcinolone Acetonide Help Acne

Q: A transformer is come be offered to action up voltage indigenous an alternate current source from 120 V to 1800...