If the momentum of a car is 80 kg m/s and it's mass is 20 kg. Find the velocity?

Q: A length of copper wire has resistance of 0.172 Ω and a cross-sectional area of 7.85 x 10^(-5) m^2.…

A: Given that Resistance(R)=0.172 Ω cross-sectional area( A)=7.85 x 10^(-5) m^2 resistivity of copper(…

Q: circuit shown below left, find the magnitude and the direction of the current through each resistor…

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Q: 5. A sample of protactinium -234 of mass 100 g has a half-life of G-7 hours.. A. what praction of…

A: We have a sample of protactinium-234 having a mass m=100 g and a half life T1/2=6.7 hours. Let the…

Q: A short wire of length 1.7 cm carries a current of 3 A in the vertical direction. The rest of the…

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Q: An 8-m long horizontal boom with a mass of 100 kg (w = 981 N) supports a 2,000 kg load (W = 19,620…

A: C) for tension in cable balance torque about point p  (TSin40° × 8) - (19620×8) - (981×4) = 0…

Q: Light of wavelength 560 nm illuminates a round 0.8-mm diameter hole. A screen is placed  5.0 m…

A: this question  is about single slit experiment so we apply angular separation .

Q: Tank build bro. Shown is a pressurized water vessel. What is the speed of the water exiting at point…

A: Given: Pressure at A =  4 times pressure at B Cross sectional area at A = 3.75 times cross…

Q: A super ball of mass 0.1 kg is dropped from a height of 3.0 m above the floor. It bounces off the…

A: a) Apply the energy conservation equation to determine the velocity of the ball just before reaching…

Q: Solve for the total charge of a circuit with 1F, 2F and 3F capacitors connected in parallel of a 10…

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Q: Solve for the ratio of the initial to final speed of sound if an air expands isentropically from…

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Q: Babalik pa rin. A block attached to a spring oscillates back and forth on a frictionless surface…

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Q: The Earth spins on its axis once each day. To a person viewing the Earth from an inertial reference…

A: the clock at the equator runs slower than the clock sitting on the north pole.

Q: A laser impinges on a thin film (n = 2) sandwiched by two materials (n₁ <nf < n₂). The top material…

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Q: Khufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50…

A: Given  force constant (k)=50 N/m mass of block =50 kg incline angle=300 displacement(x)=0.5 m…

Q: If you have two conducting plates where the voltage is V=0volt at z=0 and V=75volt at z=d, and…

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Q: 3cm q₁=-2μC 9₁-4.5μC 4cm Figure 1 9₁-8μC B

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Q: hala nahulog?! Consider a thing that can roll with moment of inertia I = mr² resting on top of a…

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Q: What is the electric field due to a point charge of 20nC at a distance of 1 meter away from it?…

A: Given The magnitude of the charge is given as q=20 nC=20×10-9 C Distance is given as r=1 m   We have…

Q: Mossy. An old mossy flywheel initially spins at wo then uniformly slows down until it stops after…

A: Given Data:- Initial angular speed of the mossy flywheel is ω0 The flywheel stopped after a time t.…

Q: Q1: a) A clean Nickel surface is exposed to light of wavelength 235 nm. What is the maximum speed of…

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Q: A beam of negligible mass, supported by a hinge, holds two steel balls as shown in the figure.…

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Q: In the image is a diagram showing the position-time graph for a mass that is oscillating vertically…

A: Le k be spring constant  (a)At point 2 Only force acting on it is spring force F=kX Here X=0 So…

Q: A 5 kg box is at rest on a ramp inclined at an angle of 15°. The coefficients of static and kinetic…

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Q: 4. A particle starts from the origin at t=0 with a velocity of (161 - 12j) m/s and moves in the xy…

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Q: A transparent sphere of radius 10.0 [m] is filled with air (nair = 1.00) and then submerged…

A: Given that- Transparent sphere radious(R)=10.0m nair=1.00 nwater=1.33 Fish appear=1.0m To determine…

Q: An electric field is created by two parallel plates. At which of the following points is the…

A: The electric field is uniform between two parallel plates. So, all the points will have the same…

Q: A 2.0 kg spherical balloon has a radius of 7.35 m and is filled with helium. how so great can be the…

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Q: box of mass 25 kg on a rough inclined plane is pulled by a force F. The magnitude of frictional…

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Q: A beam of light reflects and refracts at point A on the interface between material 1 (n₁ = 1.33) and…

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Q: A 50 kg balikbayan box slides down a very smooth ramp inclined at an angle of 15°. If it starts from…

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Q: Boink! A pendulum of mass M₁ = 3.50 [kg] is released from rest at a height of 0.500 [m] from the…

A: M1 = 3.50 kg M2 = 2 kg height (h) = 0.500 m mass M2 is initially at rest. M1 is initial at rest at…

Q: DONT MIND THE BIG NUMBER ON THE RIGHT, IT IS JUST FOR NUMBERING. MAKE SURE IT IS CORRECT AND…

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Q: ) How much work is done by the block (in Joules) on the spring? e) How much work is done by the…

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Q: An airplane has two wings with an area of 75 m² each. Air flows over the top at 200 m/s and under…

A: Bernoulli's principle states that an enlarge  the speed of a fluid happens continuously with a…

Q: Babalik pa rin. A block attached to a spring oscillates back and forth on a frictionless surface…

A: The formula of time period of an oscillation is  T=2πωWhere, ω is angular frequency.

Q: In a convex mirror, given do=8, f=4, and ho=2, what would be the d¡ & hi and magnification value? Is…

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Q: Khufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50…

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Q: A 10-meter boom with a mass of 30 kilograms is held by a steel cable 6 meters from its left end.…

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Q: Back-to-A. A simple pendulum is constructed using a 50.0 [g] metal ball that is attached to a pivot…

A: Write the given values with the suitable variables. m=50 gl=50 cm=0.5 m Here, m is the mass of the…

Q: A force F accelerates a Nestea bottle of mass M. The same force was applied to a C2 bottle produces…

A: Using Newton's 2nd law  F = mass × acceleration  F = ma

Q: Current Attempt in Progress A constant magnetic field passes through a single rectangular loop whose…

A: By pushing coil in and out emf is induced. Due to the opposite direction emf sign is opposite and…

Q: Which of the following statements is incorrect? A unit vector is a vector that has a magnitude of 1,…

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Q: Khufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50…

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Q: We would like to find a relationship between the physical quantities s, t, u and v using theorem.…

A: Given Data: The given equation is  satbucvd i.e.  MLT2aT/LbM2T2cL2d   and  2a+?b+2c = 0

Q: Three wires sit at the corners of a square, all carrying currents of 3 amps into the page as shown…

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Q: an airplane is traveling due north at an airspeed of 250km/h when it encounters a wind with a speed…

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Q: Skipping with my husband. Two boxes of masses m₁ = 34.0 [g] and m₂ = 4m₁ are connected by a taut,…

A: Block of mass m2 starts from the rest and after falling down a height of 37 cm , its velocity…

Q: Consider an object standing at a distance s0 from a thin lens in air. Given the object distance (in…

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Q: When the spring is released, (a) how far up the incline (with respect to its initial position) will…

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Q: Mossy. An old mossy flywheel initially spins at wo then uniformly slows down until it stops after…

A: given - initial value of angular velocity of fly wheel is ,ω0   uniformly slows down and stops after…