Suppose that the initial number of bacteria in a culture is 200, and that there are 700 bacteria present after 2 days. How long would it take for the number of bacteria to reach 4000?

Q: Problem 2 A 50-g mass on the end of a horizontal spring (k = 100 N/m) is moving at a speed of 2 m/s ...

A: Given: The mass: m = 50 g = 0.05 kg; The spring constant: k = 100 N/m; The speed: v = 2 m/s at the ...

Q: (a) A 17.0 m long, thin, uniform steel beam slides south at a speed of 29.0 m/s. The length of the b...

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Q: A bolt is dropped from a bridge under construction, falling 83 m to the valley below the bridge. (a)...

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Q: A guitarist increases the tension on a string, without changing other aspects of it, so the new fund...

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Q: Did the mass play an important role in the conservation of energy? explain elaborately ( WITH FRICTI...

A: Brief Introduction to term :  Conservation of energy law :  Energy neither be created nor destroyed ...

Q: Consider the circuit shown in the figure below. (Assume R, = 11.5 l and R, = 3.50 N.) 25.0 V R2 R2 2...

A: R1 = 11.5 ohm R2 = 3.50 ohm R = 20 ohm V = 25 volts   

Q: Solution: By using Newton's First Law of Motion: VFinal = Uinitial + (acceleration x time) Part 1: L...

A: Given data :- initial velocity u = 13.89 m/s final velocity v = 0 m/s time t = 3 s (this is time tak...

Q: In frictional electrification, when two different, electrically neutral objects are rubbed together,...

A: GivenCharge on the glass (Q) =1.39 ×10-17C

Q: Describe some ways to conserve energy or to use energy more efficiently.  Give 10 examples and expl...

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Q: 2.6 Determine the density and specific weight of methane gas at at a pressure of 300 kN/m? absolute ...

A: Given: Pressure, P=300 kN/m2 Temperature, T=60°C   To determine the density and specific weight of m...

Q: It is found that the resistance of a coil of wire increases from 40 ohms at 15 degrees Celsius to 50...

A: "As per guidelines we will solve first question for you out of multiple questions. If you want to so...

Q: 4.) Consider the diagram below. Mass Ma = 5kg and mass Mb = 20kg. If the coefficient of kinetic fric...

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Q: At what time does the oscillator shown below first reach its Equilibrium Position? A в D E t=1.35 s ...

A: For the given, spring mass system 

Q: 2.51 A water bug is suspended on the surface of a pond by sur- face tension (water does not wet the ...

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Q: A single force acts on a 0.99 kg particle-like object in such a way that the position of the object ...

A: Givenx=3.7 t-1.6 t2+4.9 t3Mass of particle ,m=0.99 kg

Q: What is the actual Nature of Light? Is it an electromagnetic wave? Is it a stream of particles (phot...

A: Light is a transverse, electromagnetic wave that can be seen by the typical human. The wave nature o...

Q: A bullet leaves a riffle with a muzzle velocity of 521m/s. While accelerating through the barrel of ...

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Q: A circuit is constructed with a resistor, two inductors, one capacitor, one battery and a switch as ...

A: Given, Resistance=231ohm Inductance=307mH Capacitance=190muoF Voltage=12v

Q: Q2. A force F of magnitude 20 N is applied to a block of mass m2 = 1.5 kg, as shown in Figure 2. The...

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Q: 3. Two blocks of masses ma = 2.90 kg and ms = 6.30 kg are connected by a light string that passes ov...

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Q: An alternating voltage given by igAI V = 70 sin 100 nt is connected across a pure resistor of 25 Q. ...

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Q: A contestant in a winter games event pulls a 49.0 kg block of across a frozen lake with a rope over ...

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Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it rea...

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Q: For every four seconds, 8.72E10^19 e- move past a given point in a circuit. How long would it take f...

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Q: 4 little boy while crossing the footpath saw an overhead street light transmitting urrent in the day...

A: First, power is transmitted from plant  through the wire to the transformer. The transformer receive...

Q: 2.57 A drop of water at 20°C is forming under a solid surface. The configuration just before separat...

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Q: Part A A soap bubble is essentially a thin film of water surrounded by air. The colors you see in so...

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Q: time 3) As an ocean freezes, the ice reflects more of Earth's heat back to space, causing more freez...

A: In this problem, it is asking that what will be variation in earth's temperature when an ocean freez...

Q: Jeff is overweight, hypertensive, 58 male.. that experiences heavy pressure on his chest and pain in...

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Q: To obtain the value of an unknown electrical charge, a group performed an experiment. From the graph...

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Q: A person of mass 86.5 kg is initially at rest on the edge of a large stationary platform of mass 190...

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Q: In the figure, a stone is projected at a cliff of height h with an initial speed of 48.0 m/s directe...

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Q: A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carryin...

A: As Since you have posted a question with multiple sub-parts, as we will solve first three sub-parts ...

Q: L k = 100 N/m ell e 1.0 kg X = -0.5 m x = 0.0 m x = 0.5 m A block of mass 1.0 kg on a horizontal sur...

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Q: A weight lifter lifts a 350-N set of weights from ground level to a position  over his head, a verti...

A: Given : F = 350 N d = 2.00 m

Q: A disk, initially rotating at 121 rad/s, is slowed down with a constant angular acceleration of magn...

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Q: The current in a 20.0-mH inductor changes with time as i = 4.00t2 - 7.00t, where i is in amperes and...

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Q: A spring whose natural length is 10cm exerts a force of 27N when stretched to a length of 16cm. (a) ...

A: Given: The applied force is 27 N. The natural length of the spring is 10 cm. The stretching in sprin...

Q: Compute the electric field experienced by a test charge q = + 0.80 µC from a source charge q = + 15 ...

A: GivenTest Charge ,qt=+0.8 μCSource charge ,qs=+15 μCDistance of seperation ,r=0.2 m

Q: = -4.60 x 10-6 C, q2 = +3.75 x 10-5 C, and 91 93 = -5.30 x 10-6 C. Find the x-component of the net f...

A: Given: q1=-4.6×10-6 Cq2=3.75×10-6 Cq3=-5.3×10-6 C The separation between q1 and q2 is 0.283 m. The s...

Q: 4. A 4.0 kg object has a velocity of 3i m/s at one instant. Eight seconds later, its velocity is (8i...

A: Mass of the object m=4 kg, initial velocity of the object u→=3i^ m/s and final velocity of the objec...

Q: Rod- Pithball- rod pithball

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Q: In the figure, block 1 has mass m, = 480 g, block 2 has mass m2 = 500 g, and the pulley is on a fric...

A: "Since you have posted a question with multiple sub-parts, as per strict guidelines to us we will so...

Q: a) Sketch a stress-strain diagram for a metal indicating the proportional limit, yield point, tensil...

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Q: 50 N/m ell kg x = -0.3 m x= 0 m x= 0.3 m A block of mass 0.5 kg on a horizontal surface is attached ...

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Q: 1.16 kg block slides down a 15.0 m long 35.0° incline at constant velocity. How much work is done by...

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Q: Average force of the 400 N while it is in contact with the golf ball.if the impulse is 200 N x s the...

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Q: State one Example of charge by Conduction and explain why.

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Q: Suppose the 50 turn coil in the figure below lies in the plane of the page and originally has an are...

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Q: In a projectile motion, vỵ is constant. True False

A: In a projectile motion the velocity of an object remains two components, horizontal (in x direction)...

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.