ariel6074
ariel6074 ariel6074
  • 06-05-2020
  • History
contestada

When was the first cell phone invented?

Respuesta :

Аноним Аноним
  • 06-05-2020

Answer: April 3, 1973

Explanation:

Hope this helps : )

Answer Link
sgriffith354
sgriffith354 sgriffith354
  • 06-05-2020

Answer:

On April 3, 1973, Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival.

Explanation:

April 3, 1973

Answer Link

Otras preguntas

Factor each polynomial.  3x^3+6x^2-4x-8
Describe three main features inside a prokaryotic cell.
Write an algebraic expression for the product of 33 and j
A square kitchen has an area of 100 square feet. What is the kitchen's perimeter? a. 50 feet b. 80 feet c. 40 feet d. 4 yards
What is the indefinite integral of 6sin(3t) dt?
Write an algebraic expression for 15 decreased by twice a number
A square kitchen has an area of 100 square feet. What is the kitchen's perimeter? a. 50 feet b. 80 feet c. 40 feet d. 4 yards
Write an algebraic expression for 15 decreased by twice a number
Describe three main features inside a prokaryotic cell.
A sound wave travels at 330 m/sec and has a wavelength of 2 meters. Calculate its frequency and period.