Dennis123 Dennis123

18-02-2020
Physics

contestada

How much kinetic energy is in a punch thrown at 30 m/s? The fist and arm weighs 6 lbs. (1 lb= 2.2 kg)

Respuesta :

arokoyuola arokoyuola

18-02-2020

Answer:

5940J

Explanation:

KE = 1/2 mv²

KE = 1/2 13.2 * 30²

KE = 6.6*900

KE = 5940J

Answer Link

Otras preguntas

On a separate piece of graph paper, graph y = -|x + 3|; then click on the graph until the correct one appears.

the axis of symmetry of a quadratic equation is x = –3. if one of the zeroes of the equation is 4, what is the other zero?

Jared is a boxer. He can box in the Heavyweight class if his mass is at least 100kg by the end of the month. Write an inequality that is true only for masses

The graph below has: A. no linear factors. B. one repeated linear factor. C. two dissimilar linear factors.

what was the purpose of delousing?

---- PLEASE HELP---- Josie was observing the roots of a monocot plant. It had thin, long roots. What type of growth do the roots of monocots exhibit? a. primary

Which of these statements is true about endothermic reactions, but not about exothermic reactions? The reactants and products are different substances. The rea

From which of the following do most astronomers today think that the solar system formed? A. the sun B. asteroids C. shooting stars D. a nebula

The official language of Brazil is Portuguese, the official languages of Bolivia is Spanish, Quechua and thirty-four native languages and the official language

what is the approximate value of sin C? a. 0.92 b. 1.09 c. 2.49 d. .040