(10 points) A tractor driving at a constant speed pulls a sled loaded with fire- wood. There is friction between the sled and the road. The total work done on the sled after it has moved a distance d is A) positive B) negative C) zero Page 2

Q: Q (15): If a= 60 cm, b 80 cm, Q=-6.0 nC, and q = 4.0 nC, what is the magnitude of the electric fiele…

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Q: A transmission line strung 5 m above the ground carries a current of 400 A. What is the magnetic…

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Q: 5. A bow with an arrow is drawn back 0.50 m. The bow has a spring constant of 500 N/m. problem. (a)…

A: Given: The displacement of the bow with the arrow is 0.5 m. The spring constant of the system is 500…

Q: A car engine exerts a 100O N force on the car for 250 m. The trip takes 20 seconds. 1.) How much…

A: Given, Force exerts by engine, F = 1000 Ndistance traveled, d = 250 mtime taken, t = 20 seconds.

Q: Determine the temperature of the following two objects given their peak Blackbody wavelength. 1) AA…

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Q: 29.11 You measure the electric field be- tween the plates of a 5 nC capacitor to be 2000 N C-¹. If…

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Q: Consider a resistor of resistivity 4.08 x 105Q•m, length 12.95 m, and unknown cross-sectional area.…

A: Given that  Resistivity(ρ)=4.08×10-5 Ω.m Length(l)=12.95 m Current density(J)=36.7 Am2

Q: Physics, need help please

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Q: 2. Determine the gravitational potential energy of object that is located on G 50-N cabinet. 3-m tan

A: Given: Force (F) = 50 N  Height (h) = 3 m Required : Gravitational potential energy

Q: 3. An airline passenger drops a coin while the plane is moving at 245.0 m/s. What is the velocity of…

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Q: A basketball player shoots toward a basket 4 m away and 3.0 m above the floor. If the ball is…

A: Given Horizontal distance of he basket is x=4 m Vertical distance of the basket is y=3.0 m The ball…

Q: A ceramic cube 4.1 cm on each side radiates heat at 510 W. Assume e = 1. Part A At what wavelength,…

A: side of ceramics cube = 4.1 cm = 0.041 mpower ,P=510 W and  e=1

Q: An astronomer takes a spectrum of an object and see dark portions of the spectrum superimposed on a…

A: The appearance of a spectrum tells us about the physical conditions which produce light or the…

Q: Theories and experiments not only help increase our understanding but also generate new…

A: The standard model briefs about the interaction of the building blocks of matter governed by the…

Q: Q13) If a 3.0 mm, b-4.0 mm, 21--60 aC, 22-80 BC, and q-30 nC in the figure, the magnitude of the…

A: Since you have asked to solve question 13, we will only solve question 13.

Q: Question 5 a string, in a circular arc like a pendulum in gravity. What is the direction of its…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: You need to move a hunk of gold across a river by placing it on top of a makeshift raft, which is…

A: mass of wood = 30 kg density of wood = 500 kg/m3volume of wood = mass/density  = 30/500  = 0.06…

Q: Determine the equivalent capacitance if C1 = 400 mF and C3 = 1150 mF are in parallel with each…

A: Equivalent capacitance when capacitors are connected in series and in parallel: Equivalent…

Q: d) Q: How can you tell from a velocity-time graph that you are moving in the negative direction e)…

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

Q: Figure B. Hem acm -5n C tlon C

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Q: While waiting for the CABS bus on the way home from physics class, your friend looks up at the…

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Q: Q14) An object is determined to have a negative charge of 48 nC. The object has an excess of…

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Q: For each fundamental quantity used to describe the physical universe select'the correct Sl and USCS…

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Q: 3. Four capacitors are connected as shown in Figure. (a) Find the equivalent capacitance between…

A: SOlution: Given that Vab = 15 V

Q: Q11) A boy of mass 40 Kg skies down a 20 m high bill if the friction force is not negligible and the…

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