Suppose Mary would like to design an emergency overheating alarm using aluminum 22.2 × 10-6 one of these materials. In her design, at room temperature (23.0 °C), a brass 18.7 × 10-6 8.01 cm long cylinder of the material will sit with one end against a wall 16.6 x 10-6 сopper and the other just barely touching a button. Once the heat causes the steel 13.0 x 10-6 cylinder to lengthen by 0.0253 cm, the button will be activated, turning on cast iron 10.4 x 10-6 the alarm. titanium 8.60 x 10-6 glass 5.92 x 10-6

Q: and electrocardiogram is recoreed on mm-grid chart paper moving at a speed of 25mm/s. If the…

A: GivenChart paper moving at speed =25 mm/sDistance between each heart beat=20 mm

Q: Two ropes have equal length and are streteched to the same tension. The speed of a pulse on rope 1…

A: Given data, Speed of pulse on rope 1 = (1.4) x speed of pulse on rope 2 Also, lengths of both ropes…

Q: O Ywo blochs Mt and Me ane connected by a mass ess Stnng YRat passes ouer a massleis pulluy ds shown…

A: Given,  The ramp is friction less ramp and massless pulley mass of the block, 2 M2 = 17.0 kgangle of…

Q: = Two long parallel guide wires of zero resistance, separated by a distance d=1m, are connected to a…

A: Given data :  d = l = 1m  ∆V = 3 V  m = 5kg  R = 3 ohm  B = 5 T  U = 2 m/s  t0 = 0 second  t = 2…

Q: Which one correctly shows the direction for the magnetic field ? x- into page 0- out of page I…

A: a current carrying wire, x = into the page, o= outside the page

Q: (a) What is the amplitude of the oscillations? W

A:

Q: In the configuration of Figure 1–11, (a) Show that the current I(t) is described by Vo sin wt VL/C…

A:

Q: A circular plate of uniform thickness has a diameter of 56 cm. A circular portion of diameter 42 cm…

A: We are known that a circular plate with a constant thickness has a 56 cm diameter. On one side of…

Q: A reliability study is conducted for a three-component system which consists of one component…

A: Option D is correct In Parallel there is less chance that all the components will fail…

Q: Describe the advantages and disadvantages of using models to describe physical reality. Describe the…

A: This is a question the scientific process.

Q: Question 3: A transformer consists of two coils of wire wound on a core. The figure below shows ome…

A: A transformer is a device that transfers electric energy from one alternating-current circuit to one…

Q: In order to measure the internal resistance r₁ of a cell of emf E, a meter bridge o R₁50 92, a…

A:

Q: K. Density is the ratio of mass and volume of an object. Find the density of object whose mass is…

A: Given: M=12kg, V=0.0005m3 K) The density of the object is : ρ=MV=120.0005=24000kg/m3

Q: For the circuit below, determine the current passing through V,, V2, & R3. R3 = 9 0 R2 = 30 V2 = 4 V…

A:

Q: The two vectors a and b in the figure have equal magnitudes of 11.7 m and the angles are 0₁ = 26°…

A: First the angle which b makes with the horizontal is calculated. Please follow along the attachment.

Q: * A hydrogen atom emits a photon of What are the values of n for the initial and final states…

A:

Q: This answer is incorrect, was there a possible step that was missed?

A: Initial temperature =100CFinal temperature = 92 C

Q: Experiments performed with light indicate that light exhibits (1) particle properties, only. (2)…

A: The problems are based on the basic concept of quantum mechanics. Using basic idea and postulates of…

Q: Resistivity (A-m) 2.65 x 10 Material Aluminum Соpper Gold Iron | 1.68 x 10 244 x 10 9.71 x 10…

A:

Q: The four bulbs shown are identical. Rank the bulbs from brightest to dimmest. Explain.

A: Bulbs A and B are in series, hence the same current will flow through them. So, they will glow with…

Q: ics

A: i) Energy production: Nuclear power plants use nuclear reactions to generate electricity, providing…

Q: The electric field strength between two parallel conducting plates, separated by 8.50 cm, is 8.00 ×…

A: Given d = 8.50 cm, E= 8.00 X 104 V/m To find Potential difference between the plates, ΔV=? (a) The…

Q: how to answer question (b)

A: (a) Draw the free-body diagram of the cart.

Q: 4. Two blocks of mass 3.50 kg and 8.00 kg are connected by a massless string that passes over a…

A: The problem is based upon mass pulley system.  The solution will be

Q: Each second, lo produces 1000 kilograms (a metric ton) of sulfur and sulfur compounds that are…

A: Given- Amount of sulfur and sulfur compound produce by lo = 1000 kg per second 1 year on Earth = 365…

Q: For the circuit below, the switch is initially open and the capacitor is uncharged. When the switch…

A: Initial current (Io) = 1.3 mA t = 3.5 seconds Current through resistor after 3.5 seconds = 0.78 mA…

Q: Two points in the xy plane have Cartesian coordinates (5.50, -7.00) m and (-6.50, 6.50) m. (a)…

A:

Q: Experiments performed with light indicate that light exhibits (1) particle properties, only. (2)…

A:

Q: An alternating source drives a series RLC circuit with an emf amplitude of 6.20 V, at a phase angle…

A:

Q: 22) Albert Einstein suggested that (1) momentum. (3) power. (2) nothing. (4) energy. What is the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Consider 35CI2 molecules. a) Calculate the number of Cl2 molecules (ỹ with v = 3, relative to the…

A: Part (a): The energy of the nth vibrational state is given as follows. The difference in the…

Q: A 40 cm tall trolley is placed at u cm from a mirror. The image formed by the mirror is an upright…

A: Enlarged images are produced only by concave mirrors

Q: Learning Activity 2- Solved for me Directions: Read carefully and analyze the following questions…

A:

Q: V - I graphs of a nichrome wire at three different temperature t, t2 and t3 are shown in the figure.…

A: Given data, I-V curve is given for the nichrome wire for different-different temperatures t1, t2 and…

Q: Analyzing Graphs Analyze the motion of the body as shown in the following graphs. d velecity:…

A: From the graph its clear that  d∝t2or d=Ct2             here, C is some constantthen,Velocityv=dddt=…

Q: For the circuit shown below, determine the current and the voltage drop across R4. R, = 300 N, R2 =…

A: Given data:  Three resistors are connected in series  R1 = 300 Ω R2 = 450 Ω and R3 = 350 Ω Battery…

Q: The uniform solid block in the figure has mass 35.8 kg and edge lengths a = 0.938 m, b = 1.44 m, and…

A: The length of the body diagonal of this object is, l = √(1.442 + 0.9382) l = 1.718 m The location of…

Q: Compute the EQUIVALENT RESISTANCE of the circuit shown below. Then find the voltage drop across each…

A:

Q: Question 1 Estimate the 4 hours in continuesly at Cost of cookirg furky for oven that operates and…

A:

Q: The battery shown in the circuit below has AV = 10.0 V, resistors R₁ = 8.44 kQ2, R2 = 8.52 kQ, and…

A: The resistances are R1 = 8.44 kΩ R2 = 8.52 kΩ R3 = 7.69 kΩ  Voltage ∆V = 10 V

Q: Exercice 40 page 748: Parallel-plate capacitor in air has a plate separation of 1.5 cm and a plate…

A: We know that the formula of the capacitance is given as where C is the capacitance k is the…

Q: An electric field of magnitude 5.25 × 105 N/C points due south at a certain location. Find the…

A: Magnitude of electric field is |E| = 5.25×105N/CForce F = kQqr2 = qE . where , q = -6microC

Q: A person is swimming 1.1 m beneath the surface of the water in a swimming pool. A child standing on…

A: The person is swimming at a depth of 1.1 m below the surface of the water, and sees the ball being…

Q: A rectangular loop (area = 1.4 m²) turns in a uniform magnetic field, B = 1.3 T. When the angle…

A: Given Data:- Area of the loop is A=1.4 m2 Magnetic field is B=1.3 T Angle between the magnetic field…

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.