This question involves the concepts of Wein's displacement law and characteristic wavelength.
The blackbody temperature will be "3.22 x 10⁵ k".
<h3>WEIN'S DISPLACEMENT LAW</h3>
According to Wein's displacement law,
where,
- = characteristic wavelength = 9 μm = 9 x 10⁻⁹ m
- T = temperature = ?
- c = Wein's displacment constant = 2.897 x 10⁻³ m.k
Therefore,
T = 3.22 x 10⁵ k
Learn more about characteristic wavelength here:
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B. Sonar I had the same question what a coincidence but I had a book about it so here's your answer
From the information given, there is 1,500 g mass that accelerates to a velocity of 10 m/s.
We use the formula F = m × v.
where F = force, m = mass and v = velocity.
In our case m = 1,500g which is 1.5 kg, and v= 10 m/s
F= m × v → F = 1.5 × 10 → F = 15
Therefore the amount of force that was applied to accelerate the object to 10m/s² is 15kg m/s² or 15 Newtons
The transfer of thermal energy as heat requires a difference in temperature between the two points of transfer. Heat may be transferred by means of conduction, convection, or radiation. Conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object.
Answer:D
Explanation:
A secondary battery or rechargeable battery is a battery that can be discharged and recharged.
It is an elcetrochemical cell which involve redox reaction i.e. oxidation and reduction. Oxidation is a process of loosing the electrons while reduction involves gaining of electron.
During discharging battery act as galvanic cell in which Chemical energy is converted into Electrical energy.
During Charging battery act as Electrolytic cell in which Electrical energy is converted in to chemical energy.