The electrical power, P (in watts), transformed by an electrical appliance is given by P = f(i) = 9i2 , where i is the electrical current flowing through the appliance, in amps. Find f(10) and f'(10), and interpret them in the context of this problem.

Q: I'm not sure if it's statics but whatever. Coupon a: 45% of an $83 phone Coupon B:$40 dollar rebate…

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Q: A book of mass m What is the speed O mg O 2gh O mgh O Square root of (=

A: Using the kinematics, the final velocity of the book can be given by v2=u2+2ah

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A: Given, a 1 meter wooden piece that is cut into two pieces a and b, in golden ratio, ab = 1.618

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Q: given that A+2B = x1i +y1j and 2A-B = x2i + y2j what is A?

A: Given data:

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Q: If v1=60i+80j, v2x=45, and v1 X v2=7k, then: Find v2x and v2y

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Q: Let Á=6i-8j, B=-8i+3j , and the variables a and b. Ć=26i+19j . If aÃ+bB+C=0 , calculate

A: Given:- A→=6i^-8j^B→=-8i^+3j^C→=26i^+19j^ aA→+bB→+C→=0 Find:- value of a and b

Q: Show that β ≈ 3α, by calculating the change in volume ΔV of a cube with sides of length L.

A: Write the expressions for the linear expansion and the volume expansion.

Q: To what physical quantity does the combination of units J.s / C belong?

A:

Q: There are places where the temperature is +20°C at one time of the year and -20°C at another time.…

A: Temperature is a scalar quantity.

Q: Show that Ψ(x,t)=Ae^i(kx−ωt) is a valid solution to Schrӧdinger’s time-dependent equation.

A: Schrӧdinger’s time-dependent equation is iℏ∂ψ(x,t)∂t=−ℏ22m∂2ψ(x,t)∂x2+V(x,t)ψ(x,t)

Q: Let a  =  2i + 5k  and  b  =  i + 4j + k. Find the angle between a and b. Express your answer in…

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A: Cepheid variable star is a star whose brightness alternately increases and decreases. The time…

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Q: How does physics work?

A: Physics is a natural science that involves the study of matter and its motion through space and…

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A: Apply the impulse-momentum equation to determine the final velocity of the car.

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Q: The value off is:

A: Object distance, u=30cm Magnification, M=-1/2

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A: Uncertainties in measurement arise due to mainly three reasons, Instrument, Human and Environment…

Q: In an experiment to understand the concepts of potential and kinetic energies, as shown below,…

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Q: Assume = 36 and H = 4. Determine the x-component of H.

A: Given: The angle is alpha = 36 degree The magnitude of the vector H = 4 units

Q: Is my work good for 19 b)? I am not sure if it makes sense to do it this way please let me know :)…

A: It is given that,

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Q: Consider any measurement, such as total energy, that is expected to be constant with respect to…

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Q: Solve the equations 1/2 mv^2 + 1/2 Iω^2 = mgh and v = rω for the speed v using substitution, given…

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Q: In a free fall experiment, when you plot height in meters versus time squared as second s your slope…

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Q: Physics student' s measured the width (w) and length (L) of a sheet. If W= 3.56 * 0.04 andL= 3.25…

A: width = 3.56±0.04  cm Length = 3.25±0.05 cm

Q: How many cycles will an oscillator with an angular frequency of 628rad/s make in an hour?

A: Given Angular frequency is ω=628  rad/s Time taken is △t=1 hour=3600 s Find the angular displacement…

Q: What is the mass of an electron? Also, mention the mass of a proton.

A: Required: The mass of an electron and a proton

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.