Questions by Morry

Questions by Morry

Maths exercise pls solve this fast

asked Apr 19, 2021

2 answers

0 votes

10.9k views

An electron and a proton each have a thermal kinetic energy of 3kBT/2. Calculate the de Broglie wavelength of each particle at a temperature of 1950 K. (kb is Boltzmann's constant, 1.38x10-23 J/K).

asked Feb 15, 2021

1 answer

1 vote

199k views

Which type of ocean movement can be described as the rise and fall of sea level, mostly due to the gravitational influence of the moon? A.) current B.) none of the above C.) tide D.) wave

asked Jan 27, 2021

1 answer

2 votes

114k views

No.7, answer it in a paragraph since its a 5mark question

asked Oct 1, 2020

1 answer

0 votes

127k views

Calculate the approximate enthalpy of the reaction in joules. Estimate that 1.0 mL of vinegar has the same thermal mass as 1.0 mL of water. It takes 4.2 joules to change 1.0 grm (1.0 mL) of water 1.0 Celcius.

asked Mar 6, 2020

1 answer

1 vote

168k views

In ΔABC, which trigonometric ratio has the value a/c A. Tan A B. Cos A C. Tan C D. Cos C E. Sin C

asked Mar 4, 2020

2 answers

0 votes

88.1k views

Jennifer wants to choose three books to bring along on vacation from the twelve books on her shelf. How many ways can she choose three books from the shelf?

asked Feb 8, 2020

1 answer

5 votes

196k views

Individuals who target private branch exchanges (pbx) for intraoffice phone communication are known as phreakers.

asked Jan 25, 2019

1 answer

1 vote

146k views

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