What is the power output of a 68.0-kg student that climbs a knotted vertical rope 9.90 m in height at his high school gym at constant speed in 15.0 s?

Q: A mixture (i.e., thermodynamic system) of 0.182 kg of helium (He) and 0.091 kg of oxygen (O2) is com...

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Q: thin-walled hollow circular glass tube, open at both ends, has a radius R and length L (see the figu...

A: Surface Charge Density σ=Q/2πRL Let us take a a component of electric field dEx along the direction ...

Q: How much heat is required to raise the temperature of 30.0 g of water from 288 K to 368 K?

A: The heat required is given by, q=mcΔT

Q: the ratio of kinetic energy to the total energy of an ekectron in a Bohr orbit of the hydrogen atom,...

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Q: Differentiate between MOSFET and JFET transconductance curves.

A: Given:-              β = 100                

Q: (II) A particle at =-2.0s is at x = 3.4 cm and at 12 = 4.5s is at x2 = 8.5 cm. What is its average v...

A: let t1 = -2.0 s , t2= 4.5 s x1 = 3.4 cm , x2 = 8.5 cm To find = average velocity

Q: A very large nonconducting plate lying in the xy-plane carries a charge per unit area of 3?. A secon...

A: In two very large conducting plate arrangement, electric field is added or subtracted depend on valu...

Q: A woman at an airport is towing her 23.5-kg suitcase at constant speed by pulling on a strap at an a...

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Q: Please help with your expertise with these general physics questions, please help answer all subpart...

A: if the value of velocity is negative at any time then we are moving in negative direction at that ti...

Q: A bolt has a requirement of being tightened to 38Nm. You pull the end of a 25cm wrench at an angle o...

A: Given data: Torque required for bolt (T) = 38 N.m Length of wrench (L) = 25 cm Angle of wrench = 120...

Q: The picture below shows two concentric rings. The outer ring has a charge of -300nC and a radius of ...

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Q: Give a few examples of centripetal force in daily life.

A: Following are some daily life examples of centripetal force : Spinning a ball on a string or twirli...

Q: The figure shows the transverse velocity u versus time t of the point on a string at x = 0, as a wav...

A: Given :     Wave function, yx,t = ym sinkx -ωt + φ    Velocity, us = 5 m/s Velocity of the particle...

Q: A stone is thrown from a bridge horizontally with a speed of 20m/s.  The stone lands below 2.5 secon...

A: Given- Ux = 20 m/s Uy = 0 m.s t = 2.5 sec As, stone will fall down with the speed of the gravity, Th...

Q: A Ferris wheel has a radius of 25 feet. The wheel is rotating at two revolutions per minute. Find th...

A: Given data The radius of the Ferris wheel is given as r = 25 feet. The number of revolutions is giv...

Q: The circuit on the right contains three resistors, A, B, and C, which all have equal resistances. Th...

A: Let the resistance of A = R Let the resistance of B = R Let the resistance of C = R Emf of the batte...

Q: An electron is located on the x-axis at xo = -5.51 x 10-6 m. Find the magnitude and direction of the...

A: Electric field is defined as force due to charged particle per unit charge. Formula for magnitude of...

Q: A rectangular surface of length 3.25 cm and width 5.25 cm lies on the y-z­ plane at x = 0. What is t...

A: Given data: Length of rectangular surface is, L=3.25 cm=3.25×10-2 m. Width of rectangular surface is...

Q: A ball is thrown directly downward with an initial speed of 7.65 m/s, from a height of 29.3 m. After...

A: Let u be the initial velocity of the ball at which it is released Let h be the height from where it ...

Q: Find the acceleration of the system given that m1=1.5kg, m2=3.0kg, and m3=0.75 kg.

A: Given: The mass of the first object is m1=1.5 kg. The mass of the second object is m2=3 kg. The mass...

Q: 2. Calculate the transconductance of a JFET having specified value of Ipss-12mA and Vp - 4V at bias ...

A: Transconductance of a JFET is given by the equation gm=gmo1-VGSVP                             .........

Q: 2.How much pressure will be measure at the middle of the water tank with a height of 2m and a cross ...

A: Given data The height of the tank is h=2 m The correctional area of the tank is A=785.398 mm2   The ...

Q: 12. What force is demonstrated in objects with unlike charges?   Select one: A. REPULSION B. AT...

A: Force between two unlike charges is given as :   F=Kq1(-q2)r2⇒F=-Kq1q2r2

Q: 34 - Which of the following is false information about the force?A) It is the amount of unchanged ma...

A: Defining the Force

Q: 29 - A stationary object is affected by a net force of 16 N for 8 seconds. Since the mass of the obj...

A: Given: Force F=16 N             mass of object m=4 Kg acceleration of an object having mass m acted ...

Q: The spring has a stiffness k = 200 N/m and an unstretched length of 0.5 m. It is attached to the 6.2...

A: The change in the length of the spring for the initial position A and B can be calculated from the g...

Q: A 2.0-kg aluminum block is originally at 10 degree Celcius. If 36 kJ of energy are added to the bloc...

A: Given Data: The mass of the aluminum block is, m = 2 kg. The initial temperature is, t = 10° C. The...

Q: Power is defined as the rate of that is done per unit of

A: In Physics, Power is the rate of doing work. The unit of power is Watt. 

Q: P4

A: Side of a conducting square plate = 48cm                                                            ...

Q: can you please ans part ( b) & part ( d) ?

A:

Q: you drive in a straight line at 40m/s for 10 miles, then at 50m/s for another 10 miles. what is your...

A: Given, d1 = 10 miles = 16093.4 m d2 = 10 miles = 16093.4 m v1 = 40 m/s v2 = 50 m/s   For first 10 mi...

Q: A 52.0 kg crate of tools rests on a horizontal floor. You exert a gradually increasing horizontal pu...

A: Write the given values with suitable variables. m=52 kgFr=354 P=221 Nv=25 cm/s=0.25 m/s Here, m deno...

Q: The power radiated by a black body in P and it radiated maximum energy at wavelength, Ao . If the te...

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Q: In which medium sound travels faster? a) Solid b) Liquid c) Gas d) Water vapour

A:     As we all know sound travels in solids as well as liquids. Sound waves travel faster and more ef...

Q: 22 -: I. It is the amount of mobility displacement per unit time.II. The distance between the final ...

A: The amount of displacement travelled per unit time is known as speed. The distance between initial a...

Q: in a solid,consider the energy level lying 0.7eV below fermi level. what is the probability of this ...

A: Given: Energy level difference, Ef - E = 0.7eV.   To Find: The probability of this level not being o...

Q: A man cleaning a frictionless floor pulls a vacuum cleaner with a force F of magnitude 50 N at an an...

A: given , Displacement x = 3m

Q: A charge emanates an electric field of 112 N/C. If this field is placed on a circular surface with a...

A: Given: electric field , E=112 N/C radius,  r= 38  µ m  angle made with the surface= 84o angle made w...

Q: please state if there any errors in the ray diagram

A: The above object used in the ray diagram for light ray reflection is a convex lens.

Q: A lightning bolt may carry a current of 1.00  104 A for a short time. What is the resulting magnetic...

A: Given : current in lightening bolt (I)=1.00*104 A distance of point where we have to find the magnet...

Q: Slope: 5.651x10-14 Use the equation U = Q2/(2C), to determine C0 using the slope of the graph and om...

A:  Using the slope value, calculate the the capacitance value Co.    Formula used : U =Q22C           ...

Q: Q3: Consider a spherical container of inner radius r1, outer radius r2, and thermal conductivity k. ...

A: Given: The radius of the inner spherical container = r1 The radius of the outer spherical container ...

Q: Suppose you lift a laptop that weighs 4.4 pounds off the floor onto a shelf that is 3 feet high. How...

A: Given data The mass of the laptop is given as m = 4.4 lb. The height of the lift is given as h = 3 ...

Q: A metallic sphere has a charge of +4.00 nC. A negatively charged rod has a charge of −6.00 nC. When ...

A: Given: The charge on metallic sphere is q=4 nC. The charge on rod is Q=-6 nC. The electron transferr...

Q: A child decides to take her cat on a walk, but the cat does not cooperate.  The child pulls on the 2...

A: For cat to move..... Force applied by child in horizonty direction should be greater than the resist...

Q: If a person of mass 100.0kg climbs a 2.00m high set of stairs in 4.00s, how much work do they do?

A: The expression for the force due to gravity of the earth is, W=Fs The expression for the force due t...

Q: Need solution  ???

A: position vector r is given. want to calculate acceleration. acceleration =ddt(drdt)

Q: What is the specific heat of a 5.1 -kg substance if 135j of heat is needed to raise the temperature ...

A: Mass of the substance is m = 5.1 kg Heat required, Q = 135 J Difference in temperature is ∆T=303.15-...

Q: An airplane maintains a speed of 573 km/h relative to the air it is flying through as it makes a tri...

A:

Q: A forklift at a warehouse moves at a constant speed of 36 km•h-1. A constant frictional force of 800...

A: A friction force is the force which always opposes the relative motion between the two bodies.