justin8346 justin8346

06-12-2017
Physics

contestada

A boy and girl on ice skates face each other. the girl has a mass of 20 kg and the boy has a mass of 30 kg. the boy pushes the girl backward at a speed of 3.0 m/s as a result of the push the speed of the boy is

Respuesta :

musiclover10045 musiclover10045

06-12-2017

20 x 3 = 60

60/30 = 2

the speed of the boy would be -2 m/s

Answer Link

Otras preguntas

Let f(x)=1-x+x squared and g(x)= square root of 5+x. Determine (f•g)(4)

Pecans that cost 28.50 per kilogram were mixed with almonds that cost 22.25 per kilogram. How many kilograms of each were used to make a 25 kilogram mixture cos

Diane averages 10 mph riding her bike to work. Averaging 40 mph on the way back home by car, she takes hour less time. How far does she travel to work?

In assessing the tort of defamation, the courts must seek a balance between the right to protect one's reputation with the rights afforded under:a. The False Cl

A water reservoir contains 108 metric tons of water at an average elevation of 84 m. The maximum amount of electric energy that can be generated from this water

You own some equipment that you purchased four years ago at a cost of $287,000. The equipment is five-year property for MACRS. The MACRS rates are .2, .32, .192

A proton moves in a circular path of the same radius as a cosmic ray electron moving at 9.5 × 106 m/s perpendicular to the Earth’s magnetic field at an altitude

The Hebrews believed God is fair and just and cares deeply for people.TrueFalse

while danny was eating with tony, he watched the television show. highlight the vague pronoun

When scientists publish experimental results their results are often criticized by other scientists how is this process a source of strength of science