When a mass of body tending to move on a rough surface, a counter-acting force is produced against the direction of the applied force, which is called a. Weight b. Tension c. Gravity d. Friction e. Normal Force

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Q: Show solution with sketch

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Q: A movie camera with a (single) lens of focal length 75 mm takes a picture of a person standing 28 m…

A: focal length (f) = 75 mm = 0.075 m object distance (d) = 28 m height of person (h) = 180 cm

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Q: HW4, Q9 I dont know what im doing wrong

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Q: In the figure, two circular arcs have radii a = 14.5 cm and b = 11.5 cm, subtend angle = 78.0°,…

A: Given datai=0.398Aθ=78°a=14.5cmb=11.5cm No need of figure

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Q: (a) The resistance, R, of a series of aqueous NaCl solutions was measured in a cell with cell…

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Q: In a CRT electrons are accelerated from rest by a potential difference of 1.40x103 V These electrons…

A: Given value--- potential difference = 1.4 × 103 V. magnetic field = 2.20 × 10-2 T. We have to…

Q: The motion of a/an ____________ dislocation line runs perpendicular to the applied shear stress.

A: The motion of an screw dislocation line runs perpendicular to the applied shear stress.

Q: In the figure R₁ = 89.00, R₂ = R3 = 48.00, R4 = 69.7 , and the ideal battery has emf ε = 6.00 V. (a)…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

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Q: In the formula F = qu x B: OF must be perpendicular to but not necessarily to B OF must be…

A: Answer : F must be perpendicular to both v and B .

Q: Comparing the computed current in an electrolysis of water which is 4.2654x10^-3 mA to the maximum…

A: Basically a 9 V  battery discharged about 500 mA of current. Given the value of calculated current…

Q: Situation 4: The uniform 50 kg plank in the figure is resting on rough surfaces A and B. The…

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Q: Explain why in d rigid body the internal forces do not do any work? Explain in detail (7-8 lines)

A: Rigid Body :                  A rigid body is one where every atom is always in the same position…

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Q: arks at a sound intensity level of β = 95 dB. a. Another dog runs up beside the first dog and…

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Q: For help with math skills, you may want to review: Solving Algebraic Equations For general…

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Q: 7. If the observed radiation of an atom moving toward you has a frequency of 10.2 x 1014 Hz, at what…

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A: Given a to j option is mentioned and we have to find the vector or scalar quantity.

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Q: Current Attempt in Progress An inkjet printer uses tiny dots of red, green, and blue ink to produce…

A: Given Data λred = 660 nmλgreen = 550 nmλblue= 470 nm

Q: (a) Calculate y for a proton that has a momentum of 1.47 kg. m/s. x (b) What is its speed (in m/s)?…

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Q: 5. (II) Stand up two plane mirrors so they form a 90.0° angle as in Fig. 23-54. When you look into…

A: given;- two plane mirror at 90*

Q: In the figure the current in resistance 6 is i6 = 1.35 A and the resistances are R₁ = R₂ = R3 =…

A: Given, I6 = 1.35 AR1 = R2 = R3 = 2.13 ΩR4 = 15.7 ΩR5 = 7.21 ΩR6 = 4.72 Ω

Q: An electron is travelling at 100 km/s parallel to a long straight horizontal conductor a distance of…

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Q: A  pencil  is held  perpendicular  to  the  optical  axis  of a  concave  spherical mirror.  The…

A: Light provides sensation to eyes so we see objects around. When light falls on an object, 3 things…

Q: Determine the net torque on the 5.0-m-long uniform beam shown in the figure (Figure 1). Figure 65 N…

A: Given data: The length of the beam d=5 m Along the 5 m uniform beam, at the two ends and at the…

Q: R1 = 71: R2= 73: R= 74: R4= 75: VT = 71 Volts find the individual current and voltage drop across…

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Q: The piping system in a dairy must deliver 1.8 L/min of 20∘C milk through a 12-mm-long,…

A: Given data: Volume/time,  Vt=1.8 L 1 min=1.8×10-3 m360 s=3×10-5 m3/s Temperature of milk, T=200C…

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Q: Three charges, q₁1 = 8.50 nC, q2 = 3.50 nC and q3 = -5.00 nC are distributed as shown in Figure 1.…

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Q: 18. (II) Some rearview mirrors produce images of cars to your rear that are smaller than they would…

A: Given that,  Distance of the object (do) = 16.0 m  M = 0.33  First calculate the image distance (di)…

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Q: Jill takes in 0.0270 mol of air in a single breath. The air is taken in at 20.0°C and exhaled at…

A: Given, Jill takes in 0.0270 mol of air in a single breath. The air is taken in at 20.0°C and exhaled…

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Q: Use dimensional analysis to convert the given square unit to the square unit indicated. Where…

A: The given quantity is written as A=20 m2

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A: Given value--- initial angular speed = 10 rad/s. final angular speed = 6.3 rad /s. time = 5 sec .…

Q: and is inclined downward at 59.0° to the horizontal. Find the (a) magnitude and (b) direction of the…

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Q: A piano tuner stretches a steel piano wire with a tension of 765 N. The steel wire has a length of…

A: a) linear density μ = mass/length                            =4.5*10-3/0.6…

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Q: An emf of 17.0 mV is induced in a 461-turn coil when the current is changing at the rate of 10.0…

A: Given, emf induced in the coil, ε = 17.0 mV Number of turns, N = 461  rate of change of current,…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!