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Q: Which of the following is true for the average velocity of an object? I. Distance taken per unit tim...

A: Need: To select true statement about the average velocity 

Q: A driver of a car traveling at 20 m/s applies the brakes causing an acceleration of -2.5 m/s2. How l...

A: Given data:  Initial velocity (Vi) = 20 m/s Acceleration (a) = -2.5 m/s2 Final velocity (Vf) = 12 m/...

Q: If the weight of an object is 8ON in SI units, it will be in U.S customary system equal to? O A) 60 ...

A: Weight, W = 80 N Conversion factor, 1 N = 0.225 lb

Q: If three resistors are connected across a 12V battery and the voltage drop across one resistor is 3V...

A: Given Voltage of battery is V=12 V Voltage drop across one resistor is V1= 3 V Voltage drop across s...

Q: A firefighter, 50 meters from a burning building, shot the pressurized water coming out of the nozzl...

A: Given  v=40m/s θ=30 Distance from building d=50m  

Q: A hydraulic jack has input piston with cross-sectional area 0.05 m2 and output piston with cross-sec...

A: Given Data: The cross-sectional area of the input piston is: Ai=0.05 m2 The cross-sectional area of ...

Q: In designing connections on truss, we are to consider the compressions and/or tension on each member...

A: Refer attachment

Q: A uniform linear broadside array of 4 elements are placed along the z-axis each a distance d apart. ...

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Q: A traffic light with a weight of 122 N is suspended from a support with cables, making angles of 37°...

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Q: A force F = (3i jN acts on a particle that undergoes a displacement given with Ar = (3i + 2j) m. Fin...

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Q: SIT. B The motion of a particle is defined by the relation x = t3-9t2 + 24t - 8, where x and t are e...

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Q: Two blocks started to move from the position in the figure. Block A moves in a horizontal and fricti...

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Q: An unwary football player collides with a padded goalpost while running at a velocity of 7.50 m/s an...

A: Answer is uploaded in the 2nd step

Q: A raindrop with a mass of 2.50 x 10-5 kg falls vertically at a constant velocity under the influence...

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Q: roblem 5: An intergalactic spaceship arrives at a distant planet that rotates on its axis with perio...

A: Given : T = 28 hours = 28 × 3600 = 100800 seconds M = 5.3 × 1025 kg To find : Orbital radius in mete...

Q: 15- I. Newton.second/kilogram II. Watts/Newtons III.Joule/second Which of the above units can be us...

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Q: Şekil-2 T1 T2 T3 km. Sokg 100kg The system to which a 10 m long homogeneous and 50 kg mass rod is co...

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Q: (f) A capacitor C of 50µF and a resistor R of 820 are connected across an AC source as shown in Figu...

A: Answer is uploaded in 2nd step. 

Q: A bullet with a mass of 5gr and a velocity of 600m/s can hit a tree and travel only 4cm through the ...

A: Frictional force does the work on bullet.

Q: Determine the moment of the force about point O. 100 N 2 m 5 m

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Q: A large water tank is filled to a depth of 12.7 m. A leak develops in the side of the tank and water...

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Q: What is the magnitude of the angular momentum (kg.m^2 / s) of a bowling ball spinning at 207 rad/s a...

A: Given data:  Angular velocity (ω) = 20π rad/s Moment of inertia (I) = 0.035 kg.m2 Required: The angu...

Q: 18 - The cross products of the rectangular unit vectors i, j and k, which is true? O A) jxk= -i B) i...

A: We know that cross product of two vectors is also a vector quantity. i, j, k all are unit vectors &a...

Q: Determine the direction of the vector v, B , or F that is missing from the pair of vectors shown in ...

A: We know that, Lorentz force is given by F = q(v×B)  So we apply curl rule to get directions for v, B...

Q: A ball of 1,500 grams is kicked at an angle of 35° with the ground with an initial velocity V0. a) W...

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Q: When Jim lifts a (previously stationary) bowling ball using a constant 72 N (↑) Force, it rises 1.0 ...

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Q: charge of +3.00 μC is located at the origin, and a second charge of −2.00 μC is located on the ??-pl...

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Q: if the incident neutron with 6 Ả wavelength hits a sample, and is scattered away with the scattering...

A: For elastic scattering Q=2ksinθ For in-elastic scattering Q=ki2+kf-2kikfcos2θ

Q: A 70.0 kg diver steps off a 10.0 m tower and drops straight down into the water. If he comes to rest...

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Q: A wave is given by y 8.5 sin [0.8x-5.41], Find (a) The wavelength, (b) the angular frequency, (c) th...

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Q: Calculate the force (W) required to pull an object of mass 100 kg on a frictionless horizontal plane...

A: Given data: The mass of object is m=100 kg. The speed is constant with value v=5 m/s. The applied fo...

Q: A Line Of Uniform Charge Q Runs Along The Y-Axis From 0 To L. What is the electric field at the posi...

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Q: 4 - What is the net external torque acting on a rigid object rotating about a fixed axis? O A) law O...

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Q: A light rigid rod 1.00 m in length joins two particles, with masses 4.00 kg and 3.00 kg, at its ends...

A: Solution: Given that length L = 1 m m1 = 4 kg m2 = 3 kg v = 7.5 m/s

Q: The length and width of a rectangular room are measured to be 3.885 ± 0.0065 m and 3.2 ± 0.0045 m. I...

A: Given The length of a rectangular room = l = 3.885 ± 0.0065 m The width a rectangular room = b = 3.2...

Q: A wheel that was initially at rest began to rotate with constant angular acceleration. Calculate the...

A: Initial angular velocity, ω=0 rad/s Final angular velocity, ω'=14 m/s Time taken to reach 14 rad/s, ...

Q: 216.0 J

A: Refer attachment

Q: The magnitude of the magnetic field produced by a long, straight wire is proportional to the current...

A: Given two long wire having current in it and placed parallel to each other small current  = I1 = 5 A...

Q: A force F =( 2 i +3 j ) N acts on a body that can rotate about a fixed axis along the z-coordinate a...

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Q: Mary gives toy car an initial 5.0 m/s velocity. If the car experiences a constant 2.0 m/s2 accelerat...

A: Given The initial velocity of the toy car is u = 5 m/s. The constant acceleration of car is a = 2 m...

Q: As you look out of your dorm window, a flower pot suddenly falls past. The pot is visible for a time...

A: Please see the answer below

Q: E) 4.32 kJ

A: Ans: E) 4.32 KJ Refer attachment

Q: 21- Which are incorrect for the K, L and M vectors given in the figure? A) Only I B) Only II C) ...

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Q: 26- In how many seconds does an object moving with a centripetal acceleration of 16 m/s on a circul...

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Q: What would a person’s speed be if they free fell for 12 seconds instead (no air friction present)?

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Q: Which of the following statements is correct for average velocity?

A: average velocity = total displacement /total time taken

Q: Which of the graph(s) above (A,B,C,D) represent an object moving Choose all that apply.

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Q: A student throws the stone in his hand horizontally from the edge of a cliff with a speed of 8m/s. S...

A: Given data:  The stone thrown horizontally  Horizontal speed = 8 m/s Height of the cliff (h) = 40 m ...

Q: The angular momentum of a flywheel with a moment of inertia of 0.14 kg.m^2 drops from 3 kg.m^2/s to ...

A: Given data:  Initial angular momentum (Li) = 3 kg.m2/s Final angular momentum (Lf) = 0.8 kgm2/s Time...

Q: A proton with kinetic energy Ep moves in a vacuum on a circle with radius R = 1m in a homogeneous, c...

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.