dmelsonp87ql8 dmelsonp87ql8

26-07-2019
Physics

contestada

A boy Is it running with a kinetic energy of 810 J. If the boy has a mass of 80 kg what is his speed

Respuesta :

as10980 as10980

26-07-2019

Answer:

10.125

Explanation:

Answer Link

MathPhys MathPhys

26-07-2019

Answer:

4.5 m/s

Explanation:

Kinetic energy is:

KE = ½ mv²

where m is mass and v is velocity.

Given KE = 810 J and m = 80 kg:

810 J = ½ (80 kg) v²

v = 4.5 m/s

Answer Link

Otras preguntas

21. What is the most likely outcome of decreasing the frequency of incident light on a diffraction grating? A. lines become narrower B. distance between lines i

What was the Marshall Plan and how did Italy and France benefit from it?

find three examples of corporate logos. do they incorporate symmetry? if so, and what kind? your response should be 3-5 sentences long

Help please!!! Thanksss

this is the question pls help me 4 friends evenly divided up an n-slice pizza. One of the friends, Harris, ate 1 fewer slice than he received. How many slices o

Which would give a significantly smaller value than 1.19 x 10^-2 and which would give a significantly larger value? 1.19 x 10^-2 + 1.07 x 10^-2 smaller or large

what writing brought attention to slave life in the South during the mid1800s

Compound X absorbs photons with a wavelength of 179.3 nm. What is the increase in energy of a 0.115 M solution of compound X in which a mole of photons are abso

On a hot day Alice’s total satisfaction from consuming ice cream and soft drinks is at its maximum when Select one: a. the relative price of ice cream and soft

The automatic opening device of a military cargo parachute has been designed to open when the parachute is 155 m above the ground. Suppose opening altitude actu