Question: A train travels 18 km/hr. How many meters will it travel in 12 minutes? Note: The answer is 5 meters, please explain how to arrive at that solution.

Q: a hot body that radiating energy increases in Entropy if it radiates more energy to a cold medium ?

A: Entropy is measure of disorder and the transfer of energy from the hot body to the cold medium…

Q: The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows…

A: Given:-  The driver of a car slams on the brakes when he sees a tree blocking the road. The car…

Q: Jim passes a 1.7 kg basketball to his teammate by applying a net force of 98 N. What is the…

A: Given:-  The mass of the basketball is m = 1.7 kg.  The net force applied is Fnet = 98 N. Find:-…

Q: 6. A cylinder with a 16-cm-diameter piston contains gas at a pressure of 3.0 atm. a) How much force…

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: Forces on the interacting bodies are: a. None of these b. All of these c. Opposite d. Equal

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Q: A cyclist accelerates at a constant rate of 2.88 m/s2 for 2.82 s. If their final velocity is 12.6…

A: Given: Acceleration a=2.88 m/s2, Time t=2.82 s, Final velocity v=12.6 m/s. Required: Initial…

Q: Two spherical shells have a common center. A-2.50 x 10-6 C charge is spread uniformly over the inner…

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Q: Compare and contrast the following pairs of Maxwell's Equations: 2.1 First pair: V.E= Equation 1 2.2…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: 1. T Three charges are arranged as shown in Figure P15.11. Find the magnitude and direction of the…

A: According to the question Q1 = 6 nC Q2 = 5nC Q3 = -3nC r12 =0.3m r23 =0.1m we need to find resultant…

Q: Consider the diagram below. Calculate the magnitude of the net electric force (in newtons) acting on…

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Q: A stationary block has a charge of +6.0×10−8 C.  A 0.80 kg cart with a charge of +4.0×10−8 C is…

A: Given, A stationary block has a charge of +6.0×10−8 C. A 0.80 kg cart with a charge of +4.0×10−8 C…

Q: n object with a mass of 6-kg has a velocity of v=(-i+4j) m/s.  What is the kinetic energy of the…

A: Given mass of an object m = 6 kg velocity of an object v→ = (-i +4j ) m/s To Find  Kinetic energy of…

Q: Determine the rate of exergy destruction, in Btu/s.

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Q: A mass weighing 14 pounds stretches a spring 2 feet. The mass is attached to a dashpot device that…

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Q: 27. A tray containing some pieces of mass is mounted below a spring. The periodic time of the…

A: Given that The periodic time of vertical oscillations is (T1) =0.5s After placing some additional…

Q: 7. Containers A and B in the figure to the right hold the same gas. The volume of B is four times…

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Q: A small object has a mass of 2.0 × 103 kg and a charge of -39 μC. It is placed at a certain spot…

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Q: A 10.0 nC charge is located at position (x, y) = (1.0 cm, 2.0 cm). ▶ At what (x, y) position is the…

A: Given:- The charge is q = 10 nC  The location of the charge is (x,y) = (1 ,2) cm Find:-  a) At what…

Q: A uniformly charged ring of radius 10.0 cm has a total charge of 56.0 ?C. Find the electric field on…

A: Given, A uniformly charged ring of radius 10.0 cm has a total charge of 56.0 μC. The electric field…

Q: m For the potential V = 3x²z - 2yz³, what is the corresponding electric field at the point (2,2,2)?…

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Q: A wire with mass 39.0 g is stretched so that its ends are tied down at points a distance 78.0 cm…

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Q: One complete lap in a Nascar Race is 2 miles. The total distance the car travels if it completes 250…

A: Given :-  Distance travelled in one complete lap = d                  d = 2 miles  No of laps N =…

Q: With what tension must a rope with length 3.50 m and mass 0.200 kg be stretched for transverse waves…

A: Given Data :length of the rope L = 3.5 mmass of the rope M = 0.2 kgfrequenct ϑ = 50 Hzwavelength λ =…

Q: A roller coaster climbs up a hill at 4 m/s and then zips down the hill at 30 m/s. The momentum of…

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Q: Which of the following is the correct order of centripetal accelerations of satellites A, B, and C…

A: We know that centripetal acceleration = v2r, v is velocity and r is radius of orbit. Here, velocity…

Q: A skydiver leaps out of an airplane but accidentally forgets their parachute. They fall for 6.80 s…

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Q: Fort Gaines guards the western entrance to Mobile Bay. In order to prevent enemy ships from passing,…

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Q: 6. W obwodzie poniżej U = 220 V, R₁ = 5 2, R₂ = 50 2, R₂ = 6 k. Oblicz moc P₁ rozpraszaną w…

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Q: You are in charge of a cannon that exerts a force 17100 N on a cannon ball while the ball is in the…

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Q: An object is thrown vertically upwards by a person’s hands. While it is in contact with their hand,…

A: The acceleration of the object while in contact with the hands of the thrower is given by : a(t) =…

Q: A pure carbon archaeological artefact has an age of 22458 years and emits 15 electrons per minute.…

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Q: explain how a rocket is launched

A: According to the question we need to explain how a rocket launch.

Q: Wavelength ??? Screen Distance 11.36 m Slit Width 400 μm Magnified Front View of Screen Tap on the…

A: It is given that in Young s double slit experiment, the distance between the second bright spot on…

Q: 2. A 2.0 kg ball traveling east at +4.0 m/s collides head-on with a 1.0 kg ball traveling west at -…

A: Given that, Ball travelling east Mass of ball = 2kg Speed of ball = 4m/s Ball travelling west  Mass…

Q: 4. The cable between a towing truck and a disabled car has a breaking strength of 2000 N. The mass…

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Q: Given the quantities a = 4.5 m, b = 1.4 s, c = 43 m/s, what is the value of the quantity d 워요 -?

A: Given:-  The quantities a = 4.5 m  b= 1.4 s c= 43 m/s  Find:-  The value of quantity d ?

Q: . The masses m1 and m2 (m1>m2 ) are connected by a rope and are pulled by a horizontal force F on a…

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Q: A 5.0-kg block and a 4.0-kg block are connected by a 0.6 kg rod, as shown in the figure. The links…

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Q: Figure y 2.0 nC, + -6.0 nC X 1 of 1 5.0 cm 45° 45° 5.0 cm + 1.0 nC -2.0 nC + Part A What is the…

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Q: 14. Two masses are connected to a rope, which runs friction-free over a deflection wheel. A mass (m₁…

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Q: A 200-g hockey puck is launched up a ramp that is inclined at a 30° angle above the horizontal. The…

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Q: An AC circuit has a frequency of 400 Hz. A 16-Ω resistor, a 0.0119-H inductor, and a 16.6-μF…

A: Givenf=400 HzR=16 ΩC=16.6 μFL=0.0119 Hω=2πf   =800πImpednce of series lCR circuit…

Q: Consider a point charge q located outside a closed surface as sketched in blue in the figure below.…

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Q: ormulated the Universal Law of Gravitation. Present the main ideas of Newton on this law. Give the…

A: Isaac Newton formulated the Universal Law of Gravitation in his Philosophiæ Naturalis Principia…

Q: an iron ball with a mass of 67.5 kg is traveling with an initial velocity of 20.5 m/s. the ball is…

A: Given:-  The iron ball of mass m = 67.5 kg  The initial velocity of the iron ball v= 20.5 m/s. The…

Q: 6. X and Y are quantities that have different dimensions. Select all physically meaningful…

A: For two variables/constants to add or subtract , they should be have same dimension. However, for…

Q: Usain Bolt, a sprinter for the 100 meters, set a record of 44.74 km/h on August 16, 2009, during the…

A: velocity=v=44.74 km/h=12.43 m/sLet mass=m=70 kgAnd momentump=mv=870.1 kg m/s

Q: A ball of mass m is attached to a string of length L. The ball is then swung in a circle of radius r…

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Q: uppose that the aorta has a radius of about 1.25 cm and that the typical blood velocity is around 30…

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Q: An RLC circuit will be connected to an AC voltage source with a frequency of 50 Hz with a certain…

A: Given: Resistance, R=8 ohms Inductance, L=3.2 mH = 3.2×10-3 H Capacitance, C=800  μF = 800×10-6F…

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.