hannabanana07 hannabanana07
  • 22-01-2016
  • Physics
contestada

Leroy who has a mass of 100kg, is skateboarding at 9.0 m/s when he smacks into a brick wall and comes to a dead stop at 2.0 s
show that his acceleration us 45 m/s2

Respuesta :

Saltasaurus
Saltasaurus Saltasaurus
  • 23-01-2016
F = m*a
a = v/t
a = 9.0 m/s / 2.0 s
a = 4.5 m/s^2
F = 100 kg * 4.5 m/s^2
F = 450 N
Sig figs = 500 N?
Answer Link

Otras preguntas

How do I solve this??
How would you use a number line to determine the sum of two negative integers
A B C D Ty!!!1!!!!!!!!!!!!!!!!
Why did mercantilism require European nations to colonize new areas?
A family paid $33,150 as a down payment for a home. If this represents 17% of the price of the home, find the price of the home.
Would anyone be interested in revising ONLY one paragraph of my essay? I'll give you 50 points and mark you :) I'll do it but thought it was worth a try to ask
If f(x) = 16x – 30 and g(x) = 14x – 6, for which value of x does (f – g)(x) = 0?
What does revere observe as rows to Charlestown
What is the difference in number of chromosomes in sex cells compared to chromosomes in body cells? (think about the outcome of meiosis compared to mitosis)
Who’s good at history I need help lol