cristal2040 cristal2040

05-06-2020
Mathematics

contestada

a man climbs on to a wall that is 4.5m high and gains 2450j 0f potential energy.what is the mass of the man?

Respuesta :

PollyP52 PollyP52

05-06-2020

Answer:

55.5 kg.

Step-by-step explanation:

Potential energy = mgh

= m * 9.81 * 4.5 = 2450 where m is the mass of the man.

m = 2450 / (9.81* 4.5)

= 55.5 kg.

Answer Link

Otras preguntas

Given: L is the midpoint of KM M is the midpoint of LN Prove: KL = MN

why did some chiefs decide to fight when english colonists moved into their territory?plz help me

Paula caught a tarpon with a weight that was 10 times as great as the weight of a permit fish she caught . The total weight of the two fish was 132 pounds. How

solve for 3x+9=44-2x

why is water so important in metabolism

A non-metal usually forms 2 covalent bonds in its compounds.How many electrons will it take in its valence shell？

1. Compare the location of electrons in an atom based on Bohr's theory with the location of electrons in an atom based on the current atomic theory. 2. Rutherf

briefly describe the five stages of the cell cycle

Write an algebraic expression that is equivalent to the expression. cos⁡(arcsin⁡ (x-h)/r )

if 120 marks is 60% what is full marks