Which of the following types of forces do not involve momentum balance at steady state?     body force     pressure force     friction force     atmospheric force     none of the choices

Q: Which of the following is a recall type of objective test?1. True or false 2. Fill in the blanks 3. ...

A: Given : Which of the following is a recall type of objective test ?  

Q: A wrecking ball weighing 2.5 kilograms hangs from a uniform heavy-duty chain having a mass of 17 kg....

A: Calculate the weight, Wb, of the ball.  Wb=mbg=2.5 kg×9.8 m/s2=24.5 kg·m/s2×1 N1 kg·m/s2=24.5 N Here...

Q: Example 2 The CO2 laser is one of the most powerful lasers. The energy difference between the two la...

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Q: d f 9 In the circuit above, what is the voltage between points c and f? F. 0.0 V G. 1.0 V Н. 2.0 V I...

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Q: 16. Below is a diagram showing two blocks joined with a rope that runs over a pulley. The mass m2 is...

A: a) Draw the free-body diagram of mass m2. Draw the free-body diagram of mass m1.

Q: A person is mowing their lawn .they push their lawnmower which has a mass of 25 kg , to the right wi...

A: Given Data: The mass of the lawnmower is: m=25 kg The force acting in the right direction is: F=400 ...

Q: 3. A block of mass m = 5.9 kg is pulled up a 0 = 21° incline as in the figure below with a force of ...

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Q: A 6.00 kg mass is located at (2.00 m, 2.00 m, 2.00 m) and a 5.00 kg mass is located at (-1.0 m, 3.00...

A: Given : mass1(m1)=6.00 kg mass2(m2)=5.00 kg Position of mass1 =(2.00 m,2.00 m,2.00 m) Position of ma...

Q: A proton enters a parallel-plate capacitor traveling to the right at a speed of 1.280 10-5 m/s, as s...

A: Distance, r = 0.780 cm = 0.780×10-2 m Electric field strength, E = 2.90×10-4 N/C Velocity at which p...

Q: In the figure, block 1 of mass m, slides from rest along a frictionless ramp from height h = 2.2 m a...

A: Let the velocities of the masses m1 & m2 are respectively u1 & u2 before collision and v1 &a...

Q: Find: (a) the total capacitance (b) the total charge (c) the charge in each capacitor (d) the voltag...

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Q: 1. How much current must there be in a circuit if 100 coulombs flow past a point in the circuit in 4...

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Q: The displacement (in metre) of a particle moving along X-axis is given by x = 18t + 5t2. The average...

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Q: The faintest sound the human ear can detect at frequency 1kHz corresponds to an intensity of about 1...

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Q: Given the following vectors: A = 80.0 N 25.00 south of east, B = 100. N 82.00 north of east       ...

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Q: 2. Calculate A train traveling at a constant speed covers a distance of 960 meters in 30 s. What is ...

A: Given in question: Distance(D) = 960 m                                 Time(t) = 30s                ...

Q: A 120-volt electrical device has two power settings: .85 kW and 1.250 kW. At what setting do you thi...

A: The formula for electric power is given by P=V2R Where, R is the resistance in the circuit.V is the ...

Q: At an amusement park, Keenan is in a 96.0 kg bumper car moving to the right at a speed of 3.50 m/s. ...

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Q: 1.) Two spheres of equal mass and equal charge are separated at a distance r. (a) Derive an expressi...

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Q: Force Vector A = 45i kN Force Vector B = xi + yj kN Force vector B has a magnitude of 60 kN and both...

A: Given value--- vector A = 45 i kN. vector B = (x i + y j) kN . magnitude of B = 60 kN. We have to ...

Q: A furlong is an old British unit length equal to 0.125 mi, derived from the length of a furrow in an...

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Q: I.Charle's Law 1. Given 300.0 Ml of a gas at 18.0 degrees Celsius. What is its volume at 11.0 degree...

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Q: A solid cylindrical bar, of 20 mm diameter and 180 mm long, is welded to a hollow tube of 20 mm inte...

A: Given data as per question Diameter of solid bar =20 mm Length of solid bar =180 mm Internal diamete...

Q: constant has the value h = 6.626 × 10–34 joule-seconds (J-s), and the speed of light is c = 3 × 108 ...

A: Given  Energy E = 1.1 × 10-19 J  Planks constant h = 6.626 × 10-34  Js  Speed of light c = 3 × 108 m...

Q: A mass m1 is connected by a light string that passes over a pulley of mass M to a mass m2 sliding on...

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Q: block of wood floats in glycerin with 4/7 of its volume below the surgace. What is the density of th...

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Q: A proton moves across a magnetic field in a circular path of radius 20 cm. If the flux density of th...

A: Given: radius r =20 cm =0.20 mmagnetic field B =0.30 Tparticle : protoncharge q = 1.6*10-19 Cmass m ...

Q: Luis usually bench presses 120lbs added to a 45lb bar. Unexpectedly, the gym changes their bars to o...

A: In this case, it is asking that according to which theory Luis will not notice the difference.

Q: m1 m2 In the figure above, two blocks are connected by a massless string that runs over two pulleys....

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Q: Directions: In this exercise, you will practice drawing electric field lines. Make sure you represen...

A: Given data- We will drawing electric field lines. Electric field lines are directed away from positi...

Q: В. The atmospheric pressure P decreases exponentially with elevation h as follows, P(h) = P,e-gh/A ,...

A: The atmospheric pressure decreases exponentially with elevation as : P(h) = Poe-ghA  

Q: A board is 10ft. long. How high will one end be raised so that the block on it will just begin to sl...

A: coefficient of friction = 0.3Let the mass of block = m The length of the board (L) = 10 ft  

Q: 3. Two similar tiny balls of mass m hung from a silk threads of length L and carry equal charges q a...

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Q: 1. The load across a 40-V battery consists of a series combination of three resistances R1, R2, and ...

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Q: A brick is thrown upward from the top of a building at an angle of 25o to the horizontal and with an...

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Q: the FBD diagram of the problem. While dragging a crate a workman exerts a force of 628 N. Later, the...

A: Free body diagram:

Q: A particle of charge 3x10° C is located at point (0,0) ina certain coordinate system. Assuming all l...

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Q: A snowball rolls off a barn roof that slopes downward at an angle of 40°. The edge of the roof is 14...

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Q: A rectangular loop 4 cm by 5 cm is placed in a magnetic field of 0.02 T. The loop contains 200 turns...

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Q: A physics student uses a rod of an unknown length to demonstrate a physical pendulum. The period of ...

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Q: 2. The equivalent capacitance of two capacitors in series is 0.03 uF and when connected in parallel,...

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Q: 1. A small flashlight bulb draws 300mA from its 1.5V battery. What is the resistance of the bulb? А....

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Q: A fisherman catches two striped bass. The smaller of the two has a measured length of 93.46 cm, and ...

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Q: A block of mass m, = 15.4 kg is on a frictionless table to the left of a second block of mass m. HIN...

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Q: Two blocks, m1 = 4.0 kg and m2 = 6.0 kg are attached together with a piece of string and pulled alon...

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Q: A 120-volt electrical device has two power settings: .85 kW and 1.250 kW. At what setting do you thi...

A: Given data: The voltage of device is V=120 V. The power settings are, P1=0.85 kW P2=1.25 kW

Q: The hook is subjected to three forces A,B,and C as shown. A= kN. a) If the resultant of the forces i...

A: We have given a figure as  The force A = 35 kN [ -x axis ]  The  force B = 45 kN [ 60o with  +axis ...

Q: 1. The reciprocal of resistivity A. inductivity B. conduction C. induction D. conductivity 2. An amm...

A: According to question we need to find correct option ?

Q: What effect does a charge distribution’s field have on a charged particle travelling along one of it...

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Q: Arielle weighed an object on her balance and recorded a mass of 24.3 grams. Her teacher told her tha...

A: Given in question:  Measured value(m) = 24.3 grams                                  True value(M) = ...

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: