mg

Q: A child slides down a slide without friction.      Compare the kinetic energy K, to the potential e...

A: Given data:  Child slides down Friction force is zero

Q: A 12 N force with a fixed orientation does work on a particle as the particle moves through displace...

A:

Q: What happens to the fundamental frequency of a string fixed at both ends if the hanged mass is doubl...

A:

Q: A long jumper leaves the ground with an initial velocity of 14 m/s at an angle of 30° from the groun...

A:

Q: Two cars are moving towards an intersection. One car is 150 meters north of the intersection and mov...

A:

Q: the 0.145 mm diameter tungsten filament in a light bulb is to have a resistance of 0.185 Ω at 20.0°C...

A:

Q: A mass attached to a vertical spring has position function given by s(t)=5sin(3t)s(t)=5sin(3t) where...

A:

Q: A stone is dropped from a roof and falls towards the ground 6.00 m below. A ball is thrown straight ...

A:

Q: elevator and its load have a combined mass of 800 kg. The elevator is initially moving vnward with a...

A: According to Newton second law  F= ma

Q: Find the moment (Nm) caused by the force F = 803 N about point A if a = 27 mm and b = 31 mm.

A:

Q: A long jumper leaves the ground with an initial velocity of 14 m/s at an angle of 30° from the groun...

A: Given Data: Initial velocity, u=14 m/s Angle, θ=30o Our question is to find the; Time taken by th...

Q: ind the voltage across the capacitor as a function of time for t>0 for the circuit in Fig. .72. Assu...

A: Given: Voltage V=20 V resitance R1=5 ohm, R2=1 ohm L=0.25H, C=1 F To find: Voltage Across the capaci...

Q: A point has a simple harmonic motion of period 2 sec, amplitude 5 in. Find its displacement when the...

A: Given: Time Period,T = 2sec Amplitude,A = 5 in Angle,θ=30o =π6 To find: Displacement at given condit...

Q: Calculate the thermal-equilibrium hole concentration (cm-3) in Silicon at T=375 k. Assume the Fermi ...

A:

Q: The two lines on the position time graph describes the motion of two different objects. By what dist...

A: Given: The two lines on the position time graph describes the motion of two different objects. By wh...

Q: The amount of substance (moles) is proportional to: a. The ideal gas constant. b. The number of mole...

A: Moles of a substance in a sample is equal to mass divided by the molar mass. Which means moles direc...

Q: Find the values of n, per cubic centimeter for silicon [E=1.12 eV] at T= 300 energy is 0.22 eV above...

A: Given:- Eg = 1.12 eV at T = 300 K  if the fermi energy Eg = 0.22 eV above the balance band energy.  ...

Q: Isecs

A: This is the question from circular motion. Here as the handwriting is not clear I assumed the last s...

Q: At noon, ship A is 20 kilometers north of Ship B. Ship A is traveling south at 50 kilometers per hou...

A: Given that:- Distance between two ship=20km

Q: A 2.1 x 103-kg car starts from rest at the top of a 5.5-m-long driveway that is inclined at 15° with...

A:

Q: Create an essay on quantum entanglement.

A: Firstly we will learn what is quantum entanglement- Quantum entanglement is a quantum mechanical phe...

Q: P a L 1. Taking a uniformly charged rod of length L and density A, find the electric potential at po...

A: According the question--- Given data ---  Taking a uniformly charged rod of length L and density la...

Q: A man pushes an 80-N crate up a frictionless slope that makes an angle of 30° with the horizontal. T...

A: According to Bartleby guidelines we can only solve the first question at a time.. Kindly post the ne...

Q: by two infinite sheets of charge with surface charge densities σ and -σ. Find the magnitude and dire...

A:

Q: A fireworks shell P is launched upward from point A and explodes at its apex at an altitude of 275 f...

A: Given.the firework shell P is explodes at its apex at an altitude of 275 mit reaches to height, y = ...

Q: the mobility of free electrons is greater that of free holes because * they are light O they mutuall...

A: The mobility of free electrons are greater than that of free holes because they require low energy t...

Q: A satellite orbits the earth at a distance of 1.50 x 10 ^ 7 m above the planet's surface and takes 8...

A: The Data is given as follows   The distance of the satellite from the Earth (r1) = 1.50 x 10 ^ 7 m T...

Q: Calculate the thermal-equilibrium hole concentration (cm-3) in Silicon at T=375 k. Assume the Fermi ...

A: According to question --- Given data-- T = 375 K. fermi energy E f = 0.25 eV above the valence band...

Q: 10. A small motor is used to operate a lift that raises a load of bricks weighing 1200 N to a height...

A: 10. Given : F = 1200 N h = 15 m t = 30 s

Q: A ship leaves a port and travels on a steady course 66o East of due North at a steady speed of 13.9 ...

A: To solve the question we will find out the component of velocity towards the east and that will help...

Q: Two blocks of masses m1 = 4.5 kg and m2 = 6.5 kg resting on a frictionless surface are connected by ...

A:

Q: Consider silicon at T=300 k. A Hall Effect device is fabricated with the following parameters: Geome...

A:

Q: 11. Using propagation of error method, derive an expression for uncertainty in acceleration, oa. Hin...

A: Since you have asked multiple questions, we will solve the first one for you. In case you need an an...

Q: observation deck of a skyscraper is 400 meters above the street level. How long will it take for a p...

A: Given h = 400 m and u = 0 We know that  Acceleration due to gravity g = 9.8 m/s2

Q: When a car brakes hard and skids, the maximum deceleration is 6 m/s². The coefficient of friction be...

A:

Q: Below is the calculator result for the operations indicated. Enter the answer to the correct number ...

A:

Q: Rocket-powered sleds are used to test the human response to acceleration exceeding 4Gs. If a rocket-...

A: Given Data : The final velocity of the sled is given as v=333 ms The time taken by the sled to reach...

Q: 2V battery pushes 15 mA through a resistor how much p ower does the resistor consuime?

A: voltage =V= 2 V Current = i= 1.5 mA = 1.5 X 10-3 Amp power = p = ?

Q: Initially at rest, a block with a mass of 6 kg above a frictionless surface is pulled to the right a...

A:

Q: Suppose A = (-2.82 m)i + (4.13 m)j, B = (1.46 m)i + (-4.97 m)j + (1.68 m)k, and D = (-4.75 m)i + (-5...

A:

Q: PROBLEM: A cyclist due east accelerates at a constant 3.5m/s2 after leaving a sign-post. At the time...

A: As per the given situation the acceleration of the cyclist is a =  3.5m/s2 at time t = 0 distance x...

Q: 3) A block starts from rest. It is pushed with an applied force for d , m. It is released and travel...

A: Calculate the work done during pushing the block. W1=Facos30°d1=100cos30° N10 m=866 J   Calculate th...

Q: An electron is traveling at 107 m/s at 23 degrees angles to the magnetic field of density 10 micro-t...

A:

Q: A mass of thue kilogeame es suspen ded from o sononali eusonalting longth 60 cm - The mals of a 60cm...

A:

Q: (a) Twelve equal charges, q, are situated at the corners of a regular 12-sided polygon (for instance...

A:

Q: Before calculating the displacement, convert the time to hours or the velocity to meters per second....

A: Given: 1- Displacement d=4 km  North Time t=40 seconds To determine velocity.

Q: What is the resistance (in n) of a 26.0 m long piece of 27 gauge copper wire having a 0.361 mm diame...

A:

Q: A 500.0 g ball swings in a vertical circle at the end of a 1.50 m long string. When the ball is at t...

A: Force is a vector quantity that is defined by Newton's Second Law as the rate of change of momentum ...

Q: A conductor 2 meters long moves at right angles to a magnetic field of 1 T with a velocity of 12.5 m...

A: Induced emf = VBL  = 12.5×1×2  = 25 Volt