3.0m 25*

Q: A 4.8 kg block attached to an ideal spring executes simple harmonic motion on a frictionless horizon...

A: Given data:Mass of the block, m = 4.8 kgVelocity, V = - 0.80 m/sAcceleration, a = + 2.9 m/s2

Q: Using the relations dS=dQ/T and dQ=mCdT, what is the change in entropy of 20 kg of water warmed from...

A: The expression for the change in entropy is,

Q: a particle is moving with a constant acceleration has a velocity of 20cm/s when its position is x=10...

A: The position of the particle as a function of time can be expressed as:

Q: The support platform shown in the diagram has slipped so that it is not hanging horizontally. The pl...

A: Net torque about the point A is zero.

Q: The figure below shows a small, charged sphere, with a charge of q = +45.0 nC, that moves a distance...

A:

Q: Problem 3 An Aircraft engine cylinder has a piston displacement of 45 cu. in and a clearance volume ...

A: Assume the process to be reversible adiabatic compression.Write the expression for compression ratio

Q: Water flows through a horizontal pipe of cross-sectional area 10. cm at a pressure of 0.25 atm. The ...

A: Since, the density of water is 103 kg/m3.Summarizing the given values,

Q: The vertical displacement of an ocean wave is described by the function, y = A sin(ωt - kx).  k is c...

A: The given function for the vertical displacement of the ocean wave is,

Q: A water pump is designed to send a stream of water from a nozzle at the surface of a pool of water 1...

A: A)The equation for the velocity of the water as it comes out of the nozzle is given by

Q: Can you solve these problems and show steps with brief explanations where possible? Thank you!

A: Part AGiven

Q: I need help on question #1... I dont understand and the solution in the textbook that's already give...

A: Given data:Mass of the steel piece, M = 2.50 lbSpecific heat of the steel, Cs = 0.115 Btu / lb°FLet ...

Q: How much energy needs to be added in the form of heat to turn a 50 kg block of ice at -20 deg C into...

A: We know:

Q: Consider a simple circuit consisting of a battery, a closed switch, and a resistor.  The voltage acr...

A: Write the expression for resistance

Q: Two manned satellites approaching one another at a relative speed of 0.350 m/s intend to dock. The f...

A: Consider the mass of the first satellite be m1, the initial speed of the first satellite be u1, the ...

Q: conservation of momentum and collision forces problem

A: Final momentum of car 1 after collision is,

Q: A gas follows the pV trajectory shown in Figure 16.2. How much work is done per cycle by the gas if ...

A:

Q: why are Cepheid variable stars good distance indicators? What about supernovae?

A: Named after delta-Cephei, Cepheid Variables are the most important type of variable because it has b...

Q: A baseball (m=145g) traveling 32 m/s moves a fielder's glove backward 26 cm when the ball is caught....

A: The base ball’s  kinetic energy is converted into its work done

Q: The horn of a train has a frequency of 375Hz. If the train is moving away from you at 38m/x, then wh...

A: Using Doppler effect, when the source is moving away from the person,

Q: Homework Assignment 2.1 Give your answer using the correct number of significant figures and decimal...

A: Since we only answer the first question, we’ll answer the first one. Please resubmit the question an...

Q: Compute the specific heat capacity at constant volume of nitrogen (N2) gas. The molar mass of N2 is ...

A: Given information:

Q: My morning cup of tea is steaming hot at 95°C. I take a 37 that has a temperature of -18°C. (Use spe...

A:

Q: A hollow steel ball of diameter 3 m barely floats in water. What is the wall thickness of the ball? ...

A: We know:

Q: The density of warm air inside a hot air balloon is 0.8 kg/m^3 while the density of the surrounding ...

A: a)The required minimum volume is,

Q: What will be the equilibrium temperature when a 231 g block of copper at 271 ∘C is placed in a 152 g...

A: the heat is lost from the copper is equal to the heat gained by the aluminum and water. the specific...

Q: ** 10. Two springs of different mass densities are fastened end-to-end. The spring on the left has t...

A: a)The speed of the wave is given by,

Q: How much heat must be added to a 2 kg block of ice at -11°C to change it to water at 24°C? A) 230 kc...

A: Heat added is

Q: What kind of polarization has a plane electromagnetic waveif the projections of the vector E on the ...

A: Given data:

Q: Solve and show steps please. It is vector A x D , not vector A x B... someone previously messed it u...

A: A.A = -8j in negative y direction.D = -10sin53i+10cos53j   The magnitude of the vector product A x D...

Q: Blue light has a frequency of about 7.5 x 10^14hz. What is the corresponding wavelength?

A: the expression for the wavelength is

Q: The axes of four ideal Polaroid sheets are stacked, each at 30°with respect to the previous one. Wha...

A:

Q: An inductor is built using a circular coil that is 0.50 m long, has a 10.0 cm radius, and consists o...

A: (a)The self-inductance of the coil,

Q: What is an electric field? How do you determine the magnitude and direction of the field at a given ...

A: The electric field at any point is the force experienced by a test charge at that point due to the g...

Q: a How does Loaoa of to go to many joules of heat reauired me -38,9°c from CA Solid vapor?

A: Given

Q: An air-track glider is attached to a spring on a frictionless horizontal surface. The air-track glid...

A:

Q: Two manned satellites approaching one another at a relative speed of 0.100 m/s intend to dock. The f...

A: According to momentum conservation law, sum of initial velocities of satellite before collision will...

Q: Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the ...

A: the expression for the induced emf is, 

Q: A block of mass M is moves down a frictionless ramp of angle θ and height H. The block is pushed at ...

A: Case 1: If we’ll consider the block only here, the velocity is only u as the block with mass M at he...

Q: A force of 10. newtons toward the right is exerted on a wooden crate initially moving to the right o...

A: When the crate is moving, net force on crate is the difference between the applied force and the fri...

Q: True/False and Why? When two lamps are connected in series to a battery the electrical resistance th...

A: The equivalent resistance, that is the electrical resistance the battery experiences, of the resista...

Q: Calculate overpressure for artery which has a puffed-up region (aneurysm) applying Bernoulli’s equat...

A: According to equation of continuity,

Q: A metal plate 4.00 mm thick has a temperature difference of 32.0 °C between its faces. It transmits ...

A: The thermal conductivity of the metal is,

Q: The  7 mm bolt head shown must be tightened to a torque of 420 N-m. Determine the (a) force (N) that...

A: Consider the diameter of the bolt be d, the torque applied to the bolt be τ, and the perpendicular d...

Q: A very long, straight solenoid with a cross sectional area of 1.92 cm2 is wound with 92.1 turns of w...

A:

Q: As a function of time, the position of the mass in a damped oscillator is given by the following equ...

A: The velocity of the mass as a function of time is given by,

Q: A person pushes on a stationary 125-N box with a force of 77 N at 30∘ below the horizontal. The coef...

A: Given data:Force below the horizontal, F = 77 NWeight of the block, W = 125 NNormal force of the hor...

Q: An object moves away from the earth. Consider system A: the object alone, and system B: the object a...

A: Mass of earth = m1Mass of earth = m2

Q: #3) A wagon with boxes of gold having total mass 300 kg, is released from rest 50 m up a 6.0° slope....

A: (a)The height (h),

Q: A spindle is wrapped with a very fine silk thread and is sitting initially at rest on a horizontal t...

A: (A)Consider the spindle as a solid cylinder, so the moment of inertia of the spindle is,Substitute t...

Q: Use Gauss's Law to find the charge enclosed by the cube with vertices (+/-1, +/-1, +/-1) if the elec...

A:  The net charge enclosed by a closed surface S is

Center of Gravity of a system

The centre of gravity is a property that is based on the geometry of a rigid body or any particle. It is described as an equilibrium point or a hypothetical location where the total weight of the body is concentrated.