Q19. A wooden block of mass m1 sits on a floor attached to a spring in its equilibrium position. A bullet of mass m2 is fired with a velocity of v into the wooden block, where it remains. Derive an equation for the maximum displacement of the spring if the floor is frictionless and the spring has a spring constant 1 of k. (x = m2v k(m1+m2)'

Q: 10. Two point charges,3µc and -2µC are placed 5.0 cm apart on the x axis. At what points along the x...

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Q: A light ray travels through three parallel slabs having different indices of refraction as in the fo...

A: The answer is below

Q: There are two forces on the 271kgboin the overhead viewof the fgure butonly one is shown. For F-243N...

A: F1 = 24.3 N, a = 12.2 ms2 θ = 33.0°mass of the block, m = 2.71 kg

Q: A chandelier hanging from a vertical rope. The forces acting on the Chandelier are_. *   a. normal a...

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Q: What is the speed of an electron with kinetic energy (a) 750 eV, and (b) 3.2 keV?

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Q: In 3.00 h a balloon drifts 21.3km north, 8.09 km east and 285 km upward fromits release point on the...

A: Given : Time = 3 h, x = 21.3 km, y = 8.09 km and z = 2.85 km

Q: 1. A 195 Mg (megagram) train skids at a constant velocity south on a train track. The coefficient o...

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Q: Four resistors when connected in series give an equivalent resistance of 75.0 Ω. Three of the resist...

A: Value of three resistors R1=18 ohm, R2=6 ohm and R3=24 ohm. We need to find the value of the fourth ...

Q: You and your friends are doing physics experiments on a frozen pond that serves as a frictionless, h...

A: mass of Sam = 80kg Mass of Abigail =  50kg Let Initial velocity of Sam =Vsam Let Initial velocity o...

Q: ) Sammy is driving a 1575 kg car at 121km/h in a horizontal plane around a banked curve with a radiu...

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Q: (10 blanks) If the gravitational potential energy of the water is equal to the increase in the inter...

A: Given in question: Height h = 50m                                 Specific heat capacity of water c ...

Q: Q10. A small block of mass 0.07 kg, which is initialy at rest is struck by an impulsive Force (F) of...

A: GIVEN: mass m=0.07 kg initial velocity u =0 time t= 10 ms  

Q: four railroad cars all with the same mass of 19000kg are at rest on a track, a fifth car of identica...

A: Kinetic energy = 0.5(mv2)  Here:- m= mass, v= velocity  

Q: A power plant is being built that will deliver 400 kw at 79,000 V using a tungsten cable with a resi...

A: GivenPower deliver by powe plant ,Pout=400 kWat voltage , V=79000 VResistance of tungsten cable , R=...

Q: In vacuum, the two identical square plates of a parallel plate capacitor are separated by 0.050 mm, ...

A: Given: The distance of separation between the square plates of the parallel plate capacitor, d = 0....

Q: The earth's magnetic field can affect the electron beam in an oscilloscope or a television tube. An ...

A: Potential difference =  3.96×104 V B of earth =  0.25×10-4 T

Q: A solid insulating sphere of radius 0.07 m carries a total charge of 25 µC. Concentric with this sph...

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Q: Part A A 5.3-MeV (kinetic energy) proton enters a 0.32-T field, in a plane perpendicular to the fiel...

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Q: The weight of a car of mass 1.20 × 103 kg is supported equally by the four tires, which are inflated...

A: The answer is below

Q: You measure the charge-to-mass ratio q/m for a particle with positive charge in the following way: T...

A: Slop of graph R2ΔV= 1.04 × 10-6 m2/v Magnetic field B = 0.2 T

Q: Problem 6: A football is punted from the ground, it passes through the apex of its flight, and it be...

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Q: You wish to prepare an ice less cold drink by mixing 100g of green coffee at 67 °C and 18 g of ice a...

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Q: When a body slides down an inclined plane, does the work of friction depend on the body’s initial sp...

A: ques: When a body slides down an inclined plane, does the work of friction depend on the body’s init...

Q: Q20. An open tub rolls across a frictionless surface. As it rolls, rain falls vertically into the tu...

A: Given:: Quantitative explaination

Q: needed in a hot air balloon to lift at least 100 kg of load. Density of He = 0.179 kg/m^3, density o...

A: According to Archimedes principle Buoyant force= weight of liquid displaced

Q: physics! You feel like you are flung sideways when your car travels around a sharp a)/inertia keeps ...

A: Option (C)- a force towards a center is acting on the object. Reason- When an object moves in a circ...

Q: A 5 kg block is placed near the top of a frictionless ramp, which makes an angle of 30o degrees to t...

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Q: A small rectangular loop of wire is located close to a long straight wire initially carrying a curre...

A: Given value--- Current = 106 Amp. time interval = 1/136 s. We have to find--- Find the average em...

Q: Block A weighing 250 N rests on top of block B whose weight is 175 N. The coefficient of friction be...

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Q: Neurons in our bodies carry weak currents that produce detectable magnetic fields. A technique calle...

A: Magnetic field (B) = 1.0×10-15 T distance (d) = 4 cm = 0.04 m   

Q: ngine has torque of 550 Nm at 8.3rad/s . What power in watts does it develop?

A: Given  Torque = 550 Nm  Angular velocity = 8.3 rad/s 

Q: Get two plastic cover sheets. (a) Bring one plastic cover near the other sheet. (b) Charge one sheet...

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Q: Suppose a motor connected to 117 V source draws 20.2 A when it first starts. (a) What is its resista...

A: current = voltage/resistance

Q: Q4. An 80 kg stuntman jumps out of a window that is 45 m above the ground. (a) How fast is he fallin...

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Q: Q1. Dimensional Analysis – Show that the Reynolds number R vbp is a dimensionless quantity.

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Q: A metal rod has a length of 2 meters and has an initial temperature of 20°C. It is connected to a he...

A: Length of rod = 2m Initial teprature of rod = 20°C Maximum change in length = 0.5% ∆L = 2×0.5100= 0....

Q: 1. Two point charges q. = -80 nC and q, =+50 nC are separated by a distance of 5.0 cm as shown. Calc...

A: q1 = -80 nCq2 = 50 nC d = 5 cm   

Q: 1. Find the electric flux through the surface with sides of 15 cm X 15 cm shown in the figure below....

A: The answers are below

Q: (Do not type the unit in your answers) Blocks A, B, and C are placed as in the figure below and conn...

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Q: A 70.0-kg astronaut floating inside a space station throws a 2.00-kg ball away from him at 4.0m/s re...

A: This question is based on the conservation of linear momentum topic. According to the conservation o...

Q: In solar water heater, energy from sun is gathered by water that circulates through the tubes in a r...

A: Given value--- efficiency of system = 20 %. Volume = 200 L  change in temperature = from 20∘C to 40...

Q: Draw the equipotential lines on the following electric fields.

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Q: What is the average density of a neutron star that has the same mass as the sun but a radius of 91.5...

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Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scann...

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Q: The velocity of a bobsled is v = 10t ft/s. When t =2s, the position of the sled is s =25 ft. What is...

A: Given : Velocity of a bobsled is v = 10t ft/s

Q: ray of light travels from air into another medium, making an angle of ?1 = 45.0° with the normal as ...

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Q: How much energy (in J) is required to evaporate 25% of 4g of water currently at 100 °C? The answer (...

A: Energy required = mass x latent heat of evaporation

Q: Part II: Please show ALL work! Questions Aand picture to the right. refer to the following informati...

A: Mass of small sphere m1 = m Mass of big sphere m2 = 2m

Q: In the diagram below, e field at point p is zero. particles a and b are charged, qa -3  μc and qb = ...

A: The answers are below

Q: A260 kg block is initially at rest on a horizontal surface. A horizontal force Fof magnitude 6.69 N ...

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.