A 50.0-kg person is holding a 5.00-kg rock while sitting in a 100.-kg boat at rest. The person throws  the rock at 4.00m/s to the east. What is the velocity of the person and the boat after the stone is thrown?

Q: Given that q = 17 µC and d = 16 cm, find the direction and magnitude of the net electrostatic force…

A: Here given ,  d = 16 cm = 16 × 10-2 m q = 17 × 10-6 C (q2 / d2) = (17×10-6  / 16 × 10-2) 2…

Q: 1300 kg car accelerates at a rate of 3.25m/s2 if an air resistance of 923N works against the car…

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Q: 10. (I) An EM wave has a wavelength of 720 nm. What is its frequency, and how would we classify it?

A: Given  wavelength of EM wave = 720 nm Required frequency

Q: Can we find a unified theory of physics?

A: Unified Field Theory:- A unified field theory (UFT) in physics is a sort of field theory that…

Q: In the final seconds of a game, Stephen Curry shoots the ball at the peak of his jump. If the ball's…

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Q: A positively-charged object with a mass of 0.198 kg oscillates at the end of a spring, generating…

A: Given: The mass of the charge is 0.198 g. The frequency of the system is equal to frequency of radio…

Q: The drawing shows a wire composed of three segments, AB, BC, and CD. There is a current of | = 1.7 A…

A: given data: l=1.7A magnitude of magnetic field B=0.29T length of wire segments: Lab=1.1m Lbc=0.5m…

Q: A 2.5 kg cube glides down from the top of a 1.5 m high frictionless ramp. The angle of the ramp with…

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Q: Object A and Object B are charged with -2 coulombs and +52.4 coulombs, respectively. Given that the…

A: Charge on two objects is ,  q1 = - 2  uC  q2 = 52.4 uC  Distance between charges = 0.98 m

Q: A cylinder of diameter 1.0 cm at 30 °C is to be slid nto a hole on a steel plate. The hole has a…

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Q: The figure below shows two parallel, straight wires that are very long. The wires are separated by a…

A: Given: Two very long parallel wires are carrying the currents I1 and I2. We are required to find the…

Q: A 2.50 kg oscillator has an amplitude of 3.00 cm and a frequency of 85.0 Hz. What is the speed when…

A: Given: The mass of the oscillator is 2.5 kg. The amplitude of the system is 3 cm. The frequency of…

Q: A pulley-cable system makes block C of mass m, 1 kg move up a ramp of inclined angle a-30. The…

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Q: A compressed gas with a total mass of 114 kg is stored in a spherical container having a radius of…

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Q: You measure the acceleration of a METRA train to be a = 0.58 m/s/s. If you are standing at the front…

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Q: In deep water, the speed of surface waves is described by the relationship v = g/w, where w is the…

A: Given: The speed of the wave is. v=gω The period of the wave is 3 s.

Q: A student obtains the following data in a calorimetry experiment designed to measure the specific…

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Q: •57 The volume of an ideal gas is adiabatically reduced from 200 L to 74.3 L. The initial pressure…

A: given data the initial pressure is =1.00atm the initial temperature is =300k final pressure…

Q: One of the excited He+ ions, during the transition to the ground state, emitted two photons in…

A: Given: λ1 = 108.5nmλ2 = 30.40nmAlso, h=4.1357 × 10-15 eV s,  c=3×108ms-1

Q: A rectangular coil, with corners labeled ABCD, has length L and width w. It is placed between the…

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Q: How much heat is required to convert 50.0 g of ice at -10°C to steam at 115°C?

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Q: A roller coaster cart of mass 139.0 kg is pushed against a launcher spring with spring constant…

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Q: Calculate the force in member BG using a freebody diagram of the rigid member ABC. The orce is…

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Q: A ball is thrown with an initial velocity of 40 m/s at an acute angle of from the ground. Find: a)…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…

Q: Two wooden crates rest on top of one another. The smaller top crate has a mass of m1 = 15 kg and the…

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Q: While hunting for moths to eat, a bat emits a chirp that lasts for 2.10 ms and then is silent while…

A: Given data: total time for bat to chirp is t = 2.10 ms speed for bat vb = 4.40 m/s speed for moth vm…

Q: A cylindrical steel cable has a cross sectional area of 67.0000 cm² at 21.0000 °C What is its cross…

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Q: If it requires energy to accelerate a rocket from rest to C, the energy needed to accelerate that…

A: Solution: Given: (1) If it requires energy U to accelerate a rocket from rest to (1/2) c, the energy…

Q: The electric field strength between two parallel conducting plates separated by 4.25 cm is 7.6 × 104…

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Q: The figure (Figure 1) shows a model of a crane that may be mounted on a truck.A rigid uniform…

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Q: Physics Question

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Q: (II) (a) What is the wavelength of a 22.75 × 10° Hz radar signal? (b) What is the frequency of an…

A: Data we have frequency,f=22.75×109Hz speed of light,v=3×108m/s

Q: An earthquake sends a pressure wave passing through the earth. What is the ratio of the intensity…

A: given data: point1 where the intensity measured =20.0 km point2 where the intensity measured =60.0km

Q: A magnetic field of magnitude 0.500 T is oriented perpendicular to the plane of a circular loop.…

A: Given  magnetic field (B)=0.500 T flux =2.55 Wb radius doubled. Required  radius flux

Q: Francine investigates a circuit, where charge, Q = 28C. flows from one terminal of the battery to…

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Q: A proton moving horizontally at 3.5 x104 m/s enters a uniform magnetic field of 0.075 T directed…

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Q: Select one: O a. 3.87 N O b. 10.7 N O c. 15.0 N O d. 114 N - --- Two forces act on an object. One…

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Q: A rubber band at temperature T is fastened at one end to a peg, and supports from its other end a…

A: The  neglecting kinetic energy there is only possibility of potential energy. All the interactions…

Q: The choices was  4384hz 4375hz 5069hz 4922hz

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Q: find the moment of inertia of a quarter of a hollow disk (shaded part of the figure), of inner…

A: Moment of inertia of a disk of radius r is given as  I=mr22

Q: A man pushes a cart with a constant force of 200 N at an angle 30° above the horizontal. If he does…

A: given applied force on cart F = 200 N at an angle 300 above the horizontal. hence Horizontal force…

Q: 2) Which one of the following statements is correct? A) The north pole of a magnet points towards…

A: A freely suspended magnet comes to rest in the north-south direction. The magnetic needle always…

Q: (9) A conducting rod of length l= 25 cm is placed on a U-shaped metal wire that is connected to a…

A: Given  length(l)=0.25 m resistance (R)=8.0 ohms magnetic field (B)=0.40 T speed (v)=6.0 m/s Required…

Q: The period of a torsion pendulum, for small angular displacements, is given by: T=2π√1/K where I is…

A: There are many types of errors. Some are random errors. Some are systematic error. Some are…

Q: The rainbow of visible colors in the electromagnetic spectrum varies continuously from the longest…

A: Given  wavelengths λ1=655 nmλ2=515 nmλ3=475 nmRequiredfrequencies corresponding to them

Q: 1. A car travels at a steady 40.0 m/s arounda horizontal curve of radius 200 m. a) Draw a FBD and…

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Q: A student performs an experiment to study the magnetic force on a current carrying wire placed in an…

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Q: A 0.018-kg pellet was initially pushed a distance of 0.020m against the spring of a toy gun. The…

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Q: A box full of explosives with combined mass of 20.0 kg is pushed a distance of 0.400m against a…

A: Given : mass, m = 20 kg ; displacement, x= 0.400 m  Maximum height, Hmax = 3 m  Find : Value of the…

Q: Two messes are Connected by a pulley. A is 5 kg and B is 15 kg. Friction between B A and the…

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