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Physics 101 Mechanics
November 2021
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Physics 101 Mechanics Q&A Archive of November 24, 2021

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November 24 of 2021

The Drake Equation \( x\left[\begin{array}{lll} & & & \\ \end{array}\right. \) Optimistic Calculation \[ \begin{array}{l} \begin{array}{l} 10 \text { per } \\ \text { year } \end{array} \\ {x[1.0] \times 0.1} \times 1.0 \times 1.0 \times 1.0 \times \begin{array}{l} 10^{6} \\ \text { years…

Question 1: The motion of a particle is defined by the relation ( x=2 t^{3}-15 t^{2}+24 t+4 ), where ( x ) is expressed in meters and ( t ) in seconds. Determine ( (a) ) when the velocity is zero, ( (b) ) the position and the total distance traveled when the acceleration is zero.

If a steel bar expands 0.0000970 m during a temperature increase of 3.34 C, how long was it originally? ___m

A box of mass 72 kg is to be accelerated upwards along a plane inclined at 8 degrees to the horizontal by a force Fp , which is parallel to the plane and has a magnitude of 360 N . The coefficient of friction between the box and the plane is 0.25 . Calculate the acceleration of the block,…

A particle is moving under the potential V(x) in one dimension.Determine the conditions for de'Broglie wavelengt of the particle changing very slowly

A particle of mass is moving under the potential V2(x)=alpha^2X^2m,where alpha>0 and m=0,1,2,3.., obtain an approximate expression for the particle's quantum energy values(alpha is reel)

equations for rotational motion at constant angular acceleration.

F is a lineer operator and S={Q1,Q2}

The energy of the particle in an infinite potential well is given as En, and the wavefunction is Q, a is the width of the well. The energy of the particle is obtained in Psi=... state, what is the probability of finding En ?

Help.

ou lift the box of mass m from the ground placing it at rest on the shelf at the height h Taking a box to be the system, the external physical force on it are a. gravity only b. gravity and your hand c. Your hand only d. the acceleration force as you lift the box e. gravity and the box's…

would you please assist me with this question: You warm up some water on the stove. The transfer of thermal energy over a period of time is 300 J. While the water was heating up , you also stirred it with the mixer, doing 200 J of mechanical work on the water. After the stove is turned off…

would you please assist me with this question You lift a box of mass m from the ground placing it at rest on a shelf at a height h. Taking the box and the earth to be the system, the change in total energy is numerically equal to a. zero b. the change in its potential energy c. the…

What may be the average discharge in \( \mathrm{m}^{3} / \) day during a month of 30 days from a dam with a lake area of \( 15 \mathrm{~km}^{2} \). If total precipitation during the month on the reservoir was \( 21.7 \mathrm{~cm} \), total evaporation \( 8.9 \mathrm{~cm} \), seepage loss \( 3.2…

Assuming we are looking for the stationary state solutions, let us decompose the electron wave function as ψ(x, t) = R(r) Ylm(θ, ϕ) e^{-iEt/ħ}. Find the radial equation satisfied by R(r) in a form that resembles the corresponding equation obtained from the non-relativistic Schrödinger equation.

A wire carries a 20.00-A current has been curved as shown in Figure . What is the magnetic field at point O? Where R= 10cm, ?=2?/3.

Derive the kinematics equations for linear motion at constant acceleration by drawing a graph of velocity versus time, i.e.v = u + ats= ut + 0.5at2v2 = u2 + 2aswhere v, u, a and s stand for final velocity, initial velocity, acceleration and displacement.2. Derive the equivalent equations using…

estimate the energy density of nuclear fuels (in terawatt/kilogram 1 terawatt = 1e12 watt)

You are pulling your younger sister along in a small wheeled cart. You weigh 65.0 kg and the combined mass of your sister and the cart is 35.0 kg. You are pulling the cart via a short rope which you pull horizontally. You hold one end of the rope and your sister holds the other end. If you are…

I cannot access external links or Google Docs. Please paste the text of the exam question directly here so I can process it for you.

I cannot access external links or Google Docs. Please paste the text you would like me to process directly into the chat.

I am unable to access external links or Google Docs. Please provide the text of the questions directly, and I will clean the data according to your instructions.

a small 50 g block slides down a frictionless surface through height h = 20 cm and then sticks to a uniform rod of mass 100 g and length 40 cm. the rod pivots about point o through angle

a 1.0g bullet is fired into a 0.50 kg block attached to the end of a .60m nonuniform rod of mass 0.50 kg. the block-rod-bullet system then rotates in the plane of the figure

Please explain how to do this.

0.120 kg of ice at -10.0 oC is dumped into a cooler with 9.60 kg of water at 15.0 oC. What temperature will the water be once thermal equilibrium has been reached?

What mass of copper at 87.0oC, when added to 300 g of water at 17.0oC, would yield a final temperature of 26.0oC?

If instead of 9.4 kg of water at 0.00oC, you instead use 9.4 kg of ice at 0.00oC. What temperature will the bottles be once thermal equilibrium has been reached?

You are having a pool party and have a case of water bottles. There are 24 bottles, each containing 0.50 kg of water. They are too warm after spending the day in the Sun: 52oC. You dump them in a cooler filled with 9.4 kg of water at 0.0oC. What temperature will the bottles be once…

A child playing on the beach mixes 3.4 kg of sand at 56oC with 1.3 kg of water. After they reach thermal equilibrium, the sand is now at 42oC. What is the initial temperature of the water?

145 kg of Iron at 1540oC is mixed with 232 kg of Lead at 1770oC. What temperature will the Iron eventually reach?

Two waves are described by the wave functions Y1= 3cm Cos (4x-5t) Y2=4cm Sen (4x-5t)Determine the amplitude and the phase of the sinusoidal wave

Two waves are described by the wave functions Y1= 3cm Cos (4x-5t) Y2=4cm Sen (4x-5t)Determine the amplitude and the phase of the resultant wave

The Drake Equation \( x\left[\begin{array}{lll} & & & \\ \end{array}\right. \) Optimistic Calculation \[ \begin{array}{l} \begin{array}{l} 10 \text { per } \\ \text { year } \end{array} \\ {x[1.0] \times 0.1} \times 1.0 \times 1.0 \times 1.0 \times \begin{array}{l} 10^{6} \\ \text { years…

Question 1: The motion of a particle is defined by the relation ( x=2 t^{3}-15 t^{2}+24 t+4 ), where ( x ) is expressed in meters and ( t ) in seconds. Determine ( (a) ) when the velocity is zero, ( (b) ) the position and the total distance traveled when the acceleration is zero.

A box of mass 72 kg is to be accelerated upwards along a plane inclined at 8 degrees to the horizontal by a force Fp , which is parallel to the plane and has a magnitude of 360 N . The coefficient of friction between the box and the plane is 0.25 . Calculate the acceleration of the block,…

A particle is moving under the potential V(x) in one dimension.Determine the conditions for de'Broglie wavelengt of the particle changing very slowly

A particle of mass is moving under the potential V2(x)=alpha^2X^2m,where alpha>0 and m=0,1,2,3.., obtain an approximate expression for the particle's quantum energy values(alpha is reel)

equations for rotational motion at constant angular acceleration.

F is a lineer operator and S={Q1,Q2}

The energy of the particle in an infinite potential well is given as En, and the wavefunction is Q, a is the width of the well. The energy of the particle is obtained in Psi=... state, what is the probability of finding En ?

Help.

ou lift the box of mass m from the ground placing it at rest on the shelf at the height h Taking a box to be the system, the external physical force on it are a. gravity only b. gravity and your hand c. Your hand only d. the acceleration force as you lift the box e. gravity and the box's…

would you please assist me with this question: You warm up some water on the stove. The transfer of thermal energy over a period of time is 300 J. While the water was heating up , you also stirred it with the mixer, doing 200 J of mechanical work on the water. After the stove is turned off…

would you please assist me with this question You lift a box of mass m from the ground placing it at rest on a shelf at a height h. Taking the box and the earth to be the system, the change in total energy is numerically equal to a. zero b. the change in its potential energy c. the…

What may be the average discharge in \( \mathrm{m}^{3} / \) day during a month of 30 days from a dam with a lake area of \( 15 \mathrm{~km}^{2} \). If total precipitation during the month on the reservoir was \( 21.7 \mathrm{~cm} \), total evaporation \( 8.9 \mathrm{~cm} \), seepage loss \( 3.2…

Assuming we are looking for the stationary state solutions, let us decompose the electron wave function as ψ(x, t) = R(r) Ylm(θ, ϕ) e^{-iEt/ħ}. Find the radial equation satisfied by R(r) in a form that resembles the corresponding equation obtained from the non-relativistic Schrödinger equation.

A wire carries a 20.00-A current has been curved as shown in Figure . What is the magnetic field at point O? Where R= 10cm, ?=2?/3.

estimate the energy density of nuclear fuels (in terawatt/kilogram 1 terawatt = 1e12 watt)

You are pulling your younger sister along in a small wheeled cart. You weigh 65.0 kg and the combined mass of your sister and the cart is 35.0 kg. You are pulling the cart via a short rope which you pull horizontally. You hold one end of the rope and your sister holds the other end. If you are…

I cannot access external links or Google Docs. Please paste the text of the exam question directly here so I can process it for you.

I cannot access external links or Google Docs. Please paste the text you would like me to process directly into the chat.

I am unable to access external links or Google Docs. Please provide the text of the questions directly, and I will clean the data according to your instructions.

a 1.0g bullet is fired into a 0.50 kg block attached to the end of a .60m nonuniform rod of mass 0.50 kg. the block-rod-bullet system then rotates in the plane of the figure

Please explain how to do this.

0.120 kg of ice at -10.0 oC is dumped into a cooler with 9.60 kg of water at 15.0 oC. What temperature will the water be once thermal equilibrium has been reached?

What mass of copper at 87.0oC, when added to 300 g of water at 17.0oC, would yield a final temperature of 26.0oC?

If instead of 9.4 kg of water at 0.00oC, you instead use 9.4 kg of ice at 0.00oC. What temperature will the bottles be once thermal equilibrium has been reached?

You are having a pool party and have a case of water bottles. There are 24 bottles, each containing 0.50 kg of water. They are too warm after spending the day in the Sun: 52oC. You dump them in a cooler filled with 9.4 kg of water at 0.0oC. What temperature will the bottles be once…

A child playing on the beach mixes 3.4 kg of sand at 56oC with 1.3 kg of water. After they reach thermal equilibrium, the sand is now at 42oC. What is the initial temperature of the water?

145 kg of Iron at 1540oC is mixed with 232 kg of Lead at 1770oC. What temperature will the Iron eventually reach?

Two waves are described by the wave functions Y1= 3cm Cos (4x-5t) Y2=4cm Sen (4x-5t)Determine the amplitude and the phase of the sinusoidal wave

Two waves are described by the wave functions Y1= 3cm Cos (4x-5t) Y2=4cm Sen (4x-5t)Determine the amplitude and the phase of the resultant wave