Physics Question

Q: (II) At an accident scene on a level road, investigators measure a car's skid mark to be 98 m long. ...

A: Given data: Distance traveled (s) = 98 m Coefficient of friction (μ) = 0.38  

Q: A)If a rock is dropped (vo = 0) from a height of 42 m, the time to hit the ground will be? B) If a r...

A: A) vo = 0 m/s h = 42 m   

Q: ge of 100 metre. the potential at a distance 10 cm from its centre. A sphere of radius 5 cm has a ch...

A: Given Data:- The radius of the sphere is R = 5cm The Charge on the sphere is Q = 2000 stat coulomb....

Q: A condenser is charged to a P. D. of 200 volt and it possesses a charge of 0-1 coulomb. Calculate th...

A: Data Given ,  Potential difference ( V ) = 200 volt  Charge ( Q ) = 0.1 coulomb  We have to find the...

Q: of 0-1 coulomb. Calculate the energy released when it is discharged. A condenser is charged to a P. ...

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Q: body moves from point A (x = 0.0 m, y = 1.0 m) around ¼ of a circle of radius 1.0 m, to point B (x =...

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Q: Calculate the power of an electric motor that can lift 800 kg of water to store in a tank at a heigh...

A: Given : m = 800 kg h = 1500 cm = 15 m t = 20 s g = 10 m/s2    

Q: of 0-1 coulomb. Calculate the energy releascd when it is discharged, A condenser is charged to a P. ...

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Q: A ball is thrown upwards with a speed of 20 m/s off a 5-meter-high balcony. How fast is it falling j...

A: Initial speed (u) = 20 m/s Initial height (h) = 5 m g = 10 m/s2 downwards

Q: charge A condenser is charged to a P. D. of 200 volt and it possesses a e of 0-1 coulomb. Calculate ...

A: Given Potential difference V=200V Charge Q=0.1 C  

Q: A train starts from rest and accelerate uniformly at the rate of 5 m/s2 for 5 sec. Calculate the vel...

A: Data provided: Train starts from rest Acceleration of the train (a) = 5 m/s2 Time (t) = 5 sec  

Q: of 0-1 coulomb. Calculate the energy releascd when it is discharged. A condenser is charged to a P. ...

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Q: Calculate the power of an electric motor that can lift 800 kg of water to store in a tank at a heigh...

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Q: The figure shows four long, straight wires along the z axis. All currents are equal in magnitude; lo...

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Q: A horse canters away from its trainer in a straight line, moving 45 m away in 8.7 s. It then turns a...

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Q: The weight of a man is 300 N. Cal- culate the amount of work he does in climbing the second floor 7....

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Q: 2-77. Determine the magnitude and coordinate direction angles of the resultant force, and sketch thi...

A: Given :- Two forces are given  Magnitude of force F1 = 400 N  Magnitude of force F2 = 500 N  To dete...

Q: Two insulated surface are maintained at a potential difference of 2« 10* volt. If the energy out put...

A: We know thatQ=W∆VHereQ=Charge transferedcoulombW=workdonejoule∆V=Potential differenceVolts

Q: An object dropped from a cliff falls with a constant acceleration of 10 m/s?. Find its speed 5 s aft...

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Q: (c) For the network of Figure Q4 (c), R = 400 _, L= 4 H, C= 1/4 F, Calculate the characteristic root...

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Q: Calculate the time taken by a 60W bulb to consume 3000 J of energy.

A: Data Given , Power ( P ) = 60 W Energy ( E ) = 3000 J Let , time taken by the bulb = T

Q: How many joules of electrical energy are converted into heat and light when a 50 W lamp is lit for 2...

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Q: of 0-1 coulomb. Calculate the energy released when it is discharged. A condenser is charged to a P. ...

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Q: A charge ?1q1 =  -6 nC is located at a distance s = 6 mm along the negative x axis. A second charge ...

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Q: For the circuit shown, R1 = 23.37 0, R2 = 11.61 0, V emf,I = 21.01 V, and V emf,2 = 10.75 V. Determi...

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Q: the block remains in the equilibrium position shown, determine the mass of the block D. The unexten...

A: Given:- The un extended length of spring AB is 9 m. d1 = 8 m d2 = 10 m KAC = 44 N/m KAB = 70 N/m Fin...

Q: A plane is initially traveling at a speed of 219 km/hr in the direction 38.4° north of west. Three h...

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Q: Two insulated surface are maintained at a potential difference of 2« 104 volt. If the energy out put...

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Q: The figure shows a cross section of a long straight cylindrical conductor of radius 2R carries a uni...

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Q: Ball a with mass ma=42kg is thrown in the horizontal direction with a velocity of va=16 m/s, and col...

A: Considering collision along x and y axes seprately. We have PAxi+PBxi=PAxf+PBxf PAyi+PByi=PAyf+PByf

Q: A 102 PHY student has connected [ n] identical capacitors in parallel across a power supply of volta...

A: V = 120 volts C = 105 μF Number of capacitors connected in parallel = n Energy (E) = 184.5 Joules  

Q: of 0-1 coulomb. Calculate the energy released when it is discharged. A condenser is charged to a P. ...

A: Energy stored in a capacitor is equal to, E = (1/2)×q×V where, E = energy stored q = charge stored V...

Q: A man pulls a 100-N box using a rope oriented at an angle of 30⁰ with a horizontal force on the roug...

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Q: of 0-1 coulomb. Calculate the energy released when it is discharged. A condenser is charged to a P. ...

A: The energy stored in a capacitor is expressed as, E = (1/2)CV2 Where E = energy stored C = capacitan...

Q: 21.5 R, 10-2 R. 470-n 1.5V R, 100-2 100 Figure 2: Schematic for Kirchhoff's Circuit

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Q: A man of mass 60 kg runs up a flight of 30 steps in 40 s. If each step is 20 cm high, calculate his ...

A: Given, mass of man=m=60 Kg total number of steps=N=30  Time taken =T=40 s height of each step=20cm t...

Q: 2-81. If the coordinate direction angles for Fs are ay = 120°, B, = 60° and ys = 45°, determine the ...

A: According to the following question,  α3= 120β3= 60 γ3 = 45 

Q: The diffraction pattern seen below is due to N-slits. What is the number of slits that are capable o...

A: There are 4 small maxima in between 2 maxima. So total number of slits = 2+4 = 6

Q: A particle moving along the x-axis has its velocity described by the function v_x =2t2m/s=2t^2m/s, ...

A: Given data: Velocity function of particle  V = 2t2 m/s Initial position x0 = 2.8 m at t = 0 s

Q: loop of wire is oriented with respect to a magnetic field of B = 1.13 T, as shown.  A current of 2.5...

A: Force on current carrying conductor F = ILB

Q: You serve a volleyball with a mass of 2.1kg. The ball leaves your Joules of energy. hand with a spee...

A: Given data:  Mass of volleyball (m) = 2.1 kg Velocity (V) = 30 m/s Required: The energy of ball 

Q: Two insulated surface are maintained at a potential difference of 2« 104 volt. If the energy out put...

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Q: A train 100 m long is moving with the velocity of 72 km/hr. Find the time it takes to cross the brid...

A: Data Given ,  Length of train ( Lt ) = 100 m Velocity ( V ) = 72 km/hr = [ ( 72 × 5 ) / 18 ] = 20 m/...

Q: An object is thrown straight down from the top of a building 45.0 m tall building at 14.0 m/s, while...

A: Given data:  Height of building = 45.0 m/s Initial velocity of object at top (u1) = 14.0 m/s Initial...

Q: 2 blocks hang in an elevator as shown. The elevator accelerates upward at 3 m/s2. Find the tension i...

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Q: What is the magnitude of the magnetic field in μT to 3 significant digits?

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Q: DO Calculate the magnetie field strengith to give a precessional frequemey fon proteon 220 Mc/S.8 (g...

A: Given: - Precessional frequency / Larmor frequency = f = 220 mega cycles per second 1 cycle per seco...

Q: A plastic ball (of mass M and radius R) rests on a surface of an inclination angle 0, as shown. A 5-...

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Q: A train starts from rest and accelerate uniformly at the rate of 5 m/s2 for 5 sec. Calculate the vel...

A: Given  Initial speed u=0m/s Acceleration a=5m/s2 time t=5sec  

Q: An airplane has a mass of 95000kg. What is the minimum necessary lift force to get the airplane off ...

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