On a physics classroom lab experiment, a cart A with mass 1 kg and velocity of 1 m/s collides and stays attached to cart B of mass 5 kg. Cart B is initially at rest. Consider the system isolated. The initial momentum is 1 kgm/s therefore the final momentum is

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A: Given Data : The refractive index of material 1 is given as n1 = 2.1. The angle of incidence at…

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Q: Question 8 If an electron is emitted from a photoelectric surface of a photoelectric cell with…

A: Given kinetic energy of emitted electron is Kmax=8.5 eV

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

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A: Given :                   θ = 30°

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A: Given, Electrical energy is converted into thermal energy in a resistor at the rate of 5 watts per…

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Q: a) If the temperature inside your house is 25° Celsius, while the temperature inside the freezer is…

A: (a) Let us consider the gas inside the balloon is ideal. The ideal gas equation be defined as,…

Q: R has a magnitude of 104. Which of the following COULD NOT be Ry? Choose all that apply. 104 -104…

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Q: Two spherical drops of mercury each have a charge of 0.13 nC and a potential of 300 V at the…

A: Given: The given details are, Two spherical drops of mercury each have a charge of 0.13 nC and a…

Q: A Styrofoam box has a surface area of 0.79 m² and a wall thickness of 2.0 cm. The temperature of the…

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Q: 3. A plane must fly to a destination that is south-west of its departure point. Because of the wind,…

A: 1)It is given that the airplane wants to takeoff in South-west direction but because of air force it…

Q: 2. If you throw a rock straight up in the air with a velocity of 29.5 m/s, how high does it go and…

A: At highest point final velocity will be zero. Apply kinematics formula, v=u+at Initial speed u=29.5…

Q: An object of mass 10 kg is dragged, at a constant velocity, across a horizontal surface, pulled by a…

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Q: 5.) The threshold (cutoff) wavelength for the photoelectric effect in an unknown metal is 270nm.…

A: Given data: Threshold wavelength of the metal, λ0=270 nm=270×10-9 m

Q: 3. A basketball is thrown straight up at 25.3 m/s. a) What is the maximum height the basketball will…

A: Given:-  The initial velocity of the ball by which it has been thrown straight up u = 25.3 m/s…

Q: A long nonconducting wire has a charge of uniform density (4 nC/m) distributed throughout its…

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Q: Pls help ASAP.

A: In any kind of collision momentum will remain conserve. in perfectly elastic collision (head on )…

Q: A 50 N force is applied on the 200 N block which is at rest as shown in the figure. 200 N 50 N Ⓒ…

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Q: 8. Junction

A: The problem is based on the basic concept of current electricity. In an electric circuit, we use…

Q: I Review | Constar Scores A 91.0 A current circulates around a 2.30-mm-diameter Express your answer…

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Q: Magnesium has a work function of 3.68 eV. Imagine we use this material as the cathode in a…

A: Given, Work function ϕ=3.68eV wavelength λ= 0.3×10-6m Let the Vs is the stopping potential.…

Q: An projectile is kicked from the ground level with an initial velocity of 22 m/s in the horizontal…

A: Given that                    The horizontal component of the velocity is (ux) = 22m/s…

Q: The drawing shows a square, each side of which has a length of L = 0.250 m. Two different positive…

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Q: 124. The diagram below represents a 10.-newton block sliding at constant speed down a plane that…

A: Since object is moving with constant speed hence acceleration acting on it is zero so net force…

Q: How much work is done (by a battery, generator, or some other source of potential difference) in…

A: Solution:-Given thatNumber of electrons (n)=Avagadro's number (N)Electric potential of initial point…

Q: You are asked to consult for the city's research hospital, where a group of doctors is investigating…

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Q: thrower? c. What is the maximum height reached by the javelin? 7.0m 9.8m O 10.5m 8.5m

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Q: What is the estimated VOLUME expansion coefficient, B f.

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Q: A runner in 140-m race constantly accelerates for the first 40 m. and then runs with a uniform…

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Q: Electrical energy is converted into thermal energy in a resistor at the rate of 5 watts for 1…

A: Given  Rate of power consumption (P) = 5 W  Time (t) = 1 minutes                = 60 seconds Total…

Q: Problem #1) Determine the moment of forces about point 0. F3=75 lb X- 15⁰ 6'-0" Y F₂ = 50 lb 90° Y…

A: Forces F1 = 25 lb,  F2 = 50 lb, F3 =  75 lbdistance between origin and point O (d) = 6 ft

Q: A 10,000 kg truck traveling 5 m/s collides with a 1,500 kg Volkswagen traveling in the opposite…

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Q: An astronaut leaves Earth on a space journey, travelling at a speed of 0.95c, and returns to Earth…

A: Given: In this question, the given details are, An astronaut leaves Earth on a space journey,…

Q: r from the starter cable of a car, carrying 140 A, must you be to experience a field less than the…

A: Current(I)=140A Magneticfield(B)=5.10×10-5 T

Q: 17. A piece of number 10 aluminum wire has a diameter of 2.59 mm. How many meters of number 10…

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Q: 8. An electron with a horizontal speed of 4.7 x 10° m/s passes through two horizontal plates, as…

A: Part(a) calculate the vertical component of the electron's final velocity. Part(b) Calculate the…

Q: 1. Four students are trying to move a table from one corner of the classroom to another, as…

A: Given Data: Let us consider the given forces acting on rectangular table. We are to find resultant…

Q: Starting with Gauss's Law, derive an expression for the electric field a distance r from the axis of…

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Q: Every 500 milliseconds, Porous, a light-emitting device, needs 6917.82 ZW (Zeptowatt of electricity…

A: NB: 1 Zepto Watt=10-21Watt For every 500 ms, the gadget needs 6917.82×10-21 WSo the equivalent…

Q: Q12. The tiny distance between slits can be difficult to measure. But you can use the interference…

A: Given that: The wavelength of the light, λ=589 nm The bright fringe spacing, x=4.50 cm = 0.045 m The…

Q: What other measurement is required to calculate the wavelength?

A: Given that 1. There is two source interface pattern. One wavelength is farther from the other. We…

Q: Required information A 55.0-kg lead ball is dropped from the Leaning Tower of Pisa. The tower is…

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Q: A cylindrical tank with a length L = 8 m and a diameter D = 8 m is on its side, and it is half full…

A: The problem can be solved using the concept of potential energy. The solution is as follows

Q: 12. A 60.0-kg person begins a spine with an angular speed of 6.0rad/s. By changing the position of…

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Q: Problem 1 A rock is thrown straight upward at 9 m/s just over the side of a raised deck, 5.5 m above…

A: Initial velocity of the rock, Height from which the rock was thrown,