A 50 kg mass is sitting on a frictionless surface. An unknown constant force pushes the mass for 2 seconds until the mass reaches a velocity of 3 m/s. What is the initial momentum of the mass?

Q: Question 7 (B) onochromatic light of wavelength A is incident on two slits separated by 5.00 um, an…

A:

Q: A system undergoes an adiabatic process in which its internal energy increases by 20 J. Which of the…

A: The increase in the internal energy of the system is given as ΔU=+20 J

Q: A wire of length 25.7 cm carrying a current of 5.82 mA is to be formed into a circular coil and…

A: Given: Length of the wire, L = 25.7 cm = 0.257 m current, I = 5.82 mA = 0.00582 A Strength of…

Q: P(Pa) 1.5 x 105 1.0 x 105 0.5 x 105 V(m) 0.25 0.50 1. The diagram above of pressure P versus volume…

A:

Q: An 800-MW electric power plant has an efficiency of 30%. It losses its waste heat in large cooling…

A:

Q: 13. The stray currents that are created as a magnetic material is magnetized and then demagnetized…

A: Whenever the magnetic field lines passing through loop chay then we have induced current in that…

Q: 10^9 J of heat is transferred into the engine, at a temperature of 575 K? (a) What is the work…

A:

Q: An airplane is sighted due cast from a radar station at an elevation of 40 degrees on a height of…

A:

Q: friction is not experience by a ball falling down from a high building. true or false. support your…

A: This isn't false because when a ball falls from high building then an air resistance acts on ball…

Q: A particle moves along a straight line with an acceleration of a = 3s m/s². If at s-0m, the velocity…

A:

Q: Find the torque acting on a dipole of dipole moment 10^(-4) C/m placed inside a uniform electric…

A: Two equal and opposite charges separated by a distance, d is known as an electric dipole. The dipole…

Q: Two atomic clocks are synchronized. One is placed on a satellite, which orbits around the earth at…

A:

Q: The statement F= q(E+ v x B) is called the O Maxwell-Ampere force law O Tesla force law O Helmholtz…

A: Given statement : F→ = q(E→ + v→×B→)

Q: atch the Words in he lel approprlate blankKS in the sentences Reset Help inward The for K+ is the…

A: A resting (non-signaling) neuron has a voltage across its membrane called the resting membrane…

Q: A block of mass m moving with speed v compresses a spring x before its speed is halved. What is the…

A: Given Data, Mass of the block=m Initial speed of the block =v Final Speed of the block=v1=v2…

Q: 4-The ratio of stress to strain (o/E) in the linear elastic region is called Young's

A:

Q: Eight slits equally separated by 0.149 mm is uniformly illuminated by a monochromatic light at λ =…

A:

Q: A battery is supplying electrical power to a single resistor R. If the total current in the circuit…

A:

Q: 26. The energy levels for a Bohr atom are shown below. -0.54 ev -0.85 ev -1.51 ev n = 3 -3.40 ev n =…

A:

Q: b) A horizontal force of 25 N acts on a 0.30 kg toy trolley to accelerate it uniformly along a…

A: Given data, Horizontal force (F)=25 N Mass of the toy trolley (m)=0.30 kg Traveled distance (s)=35 m

Q: a big truck is pushed but it did not move; therefore there is no a friction acting on the truck.…

A: Given: The surface is frictionless. The big truck is pushing.

Q: farmer tilling his land found a bar which he suspects to be made of gold. Excitedly, he run home and…

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

Q: Suppose that the mirror is moved so that the trees between the focus point f and the mirror what…

A: For concave mirrors, when the object is located anywhere inside the F, the image is virtual,…

Q: In the circuit below, what is the current flowing through the battery? 6.00 4.0N 12 V 120 3.0N 5.0N

A:

Q: A particle moves along the x-axis from x 0 to x 5 m under the influence of a force given by F = (7 –…

A: Given: The positon of the particle is from x = 0 m to x = 5 m. The applied force is. F=7-2x+3x2 N…

Q: Assuming that the lowest energy that a particle trapped in an infinite potential box can have 40 eV.…

A: Particle in infinite potential box cannot escape the box according to classical theory. The particle…

Q: A sample of oxygen gas has a volume of 12000 cm3 at 600.mm Hg. What is the new pressure when the…

A:

Q: 5. A circular coil with a radius of 5 cm is made up of 30 loops. Its orientation makes the magnetic…

A:

Q: 1. Jerome plays middle linebacker for South's varsity football team. In a game against cross-town…

A: Given : Mass of North's running back(m) = 82 kg Initial velocity(vi) = 5.6 m/s eastward Final…

Q: What is the definition of an “empty calorie”?

A:

Q: Given the statement of the Snell's Law of Refraction, identify the items in the equation: Snell's…

A:

Q: Some people believe the graph of acceleration versus force should pass through the origin,…

A:

Q: If there is an inward force acting upon an earth-orbiting satellite, then why doesn't the satellite…

A: At every point along its trajectory, a satellite is falling toward the earth. Yet because the earth…

Q: A 500 kg elevator cab is descending with speed vo = 4 m/s when the winch system that lowers it…

A:

Q: A uniform disk is mounted to an axle and is free to rotate without friction. A thin uniform rod is…

A:

Q: Vector A = 6ax + 2ay - 3az Find the scalar component of A perpendicular to the x-axis

A: We have a vector which is represented by A→=6ax+2ay-3az where ax, ay and az are unit direction…

Q: 3-Viscosity coefficient (n) of fluid defines the . between shear stress and rate of change shear…

A: Viscosity is defined as the degree up to which fluid opposes the flow of fluid when a force is…

Q: Fill out the table will correspondi answers. RESISTANCE (R) CURRENT (I) [ Select ] 2.4 2 3.4 A […

A: In this question we have to find the missing values in the table. Please give positive feedback if…

Q: Ampere's Law: 3. Use Ampere's law to find the magnetic field at point a and point b if the current…

A: This question is from magnetic effect of electric current.

Q: 5. A pipe that is open on one end produces a harmonic frequency of 441 Hz. The next harmonic happens…

A:

Q: is the maximum wavelength of light that will cause photoelectron to be emitted from sodium. ? What…

A: Given:-  if 200 nm light falls on the sodium surface Find:-  a) What is the maximum wavelength of…

Q: The bulk modulus of water is 2.1 GPa. Compute the change of volume of 100 mL of water when subjected…

A:

Q: 1. A 2.00 x 10° g piece of brass is submerged in 1.500 L of water at 15.0 °C. What is the original…

A: mass of piece of brass = 200 g volume of water = 1.50 L initial temperature of water = 15oC final…

Q: Find the cross-sectional area of the copper wire that has a resistance of 2.15 mQ and 250 m long…

A:

Q: Suppose two students measure the length of a piece of wire three times each. Student A obtains…

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

Q: 5) A 5.3 L flask of ideal neon gas (which is monatomic) is at a pressure of 6.0 atm and a…

A:

Q: Light travels from a rare medium 1 to a denser medium 2. The angle of incidence and refraction are…

A:

Q: A cubic industrial material whose one side is of length 2.0 cm has a bulk modulus of 4.7 x 10^5…

A:

Q: Find the force on an electron if it is placed at a point where the electric field intensity is 240…

A:

Q: A Centigrade and a Fahrenheit mercury thermometer are of identical size. At what temperature will…

A: