A train car of mass%3DM%3D 2400 Kg is initially at rest, Pushed by a net force exerted by magnets, the train covers a distance D= 1200 m in a time T= 20 seconds. Part A The acceleration of the train is a = m/s2 O 12 O 1/6 O 60 Submit Request Answer Part B The net force exerted on the train is Fnet = Newton O 14,400 O 2,400 O 24,000 O 1440 Submit Request Answer O O O

Q: Two charges are placed along the x axis, with charge QA placed at the origin and charge QB placed at...

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Q: Given data : Mass-40 kg Density-1300 kg/m3 Find volume

A: Given data: Mass-40 kg Density=1300 kg/m3 Using the concept of density  As we know   Density = mass ...

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Q: When a rubber comb is rubbed with human hair, the comb acquires a charge of magnitude 3.00 nC. (a) D...

A: charge acquired by comb (Q) = 3 nC   

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Q: 7. Incompressible oil of density 850 kg/cubic m is pumped through a cylindrical pipe at a rate of 9....

A: Given: The density of the fluid is 850 kg/m3. The volume flow rate is 9.5 L/s.

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Q: Refraction causes objects submerged in water to appear less deep than they actually are. The fish in...

A: Given : Apparent Depth = 1.19 m Hence, The value of actual depth is    2.15 m (approx.)

Q: Find the refractive index of the glass in the figure below.  (Take ? = 26°, y = 6.8 cm, and x = 4.7...

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Q: Part A A constant friction force of 18 N acts on a 74-kg skier for 16 s on level snow. What is the s...

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Q: Current (I) Voltage (V) Resistance (R) Power 0.40 17 20 75 1.5 220 110 55 68 210

A: Voltage V = IR Power= I2 R

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Q: Calculate the velocity of the target ball after the collision. A ball of mass 0.265 kg that is movin...

A: mass of ball, m1 = 0.265 kg initial speed of ball, u1 = 507 m/s final speed of ball, v1 = 3.9 m/s in...

Q: Consider a series RLC circuit where R = 651 Q and C = 5.25 µF. However, the inductance L of the indu...

A: According to question we need to find Value of unknown L .

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Q: A 13-ft ladder is leaning against a house when its base starts to slide away. By the time the base i...

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Q: 10. A 4,000 kg boat floats with one-third of its volume submerged. If two more people get into the b...

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Q: Using the figure, indicate in the points the energy conversion of the car.

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Q: On August 10, 1972, a large meteorite skipped across the atmosphere above the western United States ...

A: a)       Loss in KE = 0.5*(3.8*106)* (19*103)2                 =6.859*1014J

Q: Directions: Describe the relationship between resistance, cross-sectional area and length of the wir...

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Q: The graph shows the x-directed force Fg acting on an object as a function of the position x of the o...

A: Force versus displacement graph for an object is as shown. the force is plotted along y axis and the...

Q: Light reflected from the front surface of a densest flint windowpane (n = 1890) has an intensity I1....

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Q: Three resistors, RA=4 k N, RB=1.0 N, and Rc=2 N are connected to a battery providing potential diffe...

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Q: Experimentally, the magnetic flux PB in a solenoid was 2- measured for various currents I. The data ...

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Q: A long straight wire carries an upward current I = 5000 A. The magnitude of the magnetic field at a ...

A: GivenI=5000 Ad=0.2 m

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Q: A transformer has 40 turns in its primary coil and 600 turns in its secondary coil. If the primary A...

A: Given :            N pri =40           N Sec = 600            V pri  = 200V           V Sec = ?  

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Q: The component of the external magnetic field along the central axis of a 33 turn circular coil of ra...

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Q: Consider the multi-loop circuit shown in the picture below. From the equations below, select all cor...

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Q: Stand on a footstool with your right leg close to the edge of the footstool and your left leg hangin...

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Q: In the figure, a 140-turn coil of radius 3.3 cm and resistance 6.9 Q is coaxial with a solenoid of 2...

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Q: A flat cookie sheet has a length of 35 cm, a width of 22 cm, and a mass of 467 g with the axis of ro...

A: Moment of inertia of any sheet through centre I = (1/12) M(a^2 + b^2)  Where a is length  b us width...

Q: Tapping mm. The solenoid wire is then connected to a power supply so that a current of I = 4.5 A flo...

A: ?as per our company guidelines we are supposed to answer ?️only first 3 sub-parts. Kindly repost oth...

Q: Calculate the momentum of a car that has a mass of 975 kg and a velocity of 9-3 m/s ?

A: Given data :                     Velocity  =  V                       Mass   =   m       To find :  ...

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Q: For this problem, the amplitude has to be calculated at many points in time to accurately render the...

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Q: uring a transcranial magnetic stimulation (TMS) treatment, a magnetic field, typically of magnitude ...

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Q: potential difference of 450 V is applied to a pair of plates of a capacitor. If the distance between...

A: Given that                    The potential difference between the plate is (V) = 450V              ...

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.