mindlessg mindlessg
  • 20-05-2018
  • Physics
contestada

A bicycle is going 7 m/s. He squeezes the brakes, giving him an acceleration of -1.2 m/s2. How fast is the bicyclist going after 3 seconds of applying the brakes?

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 20-05-2018
The change in speed is
  (-1.2 m/s²)*(3 s) = -3.6 m/s

So, the speed after 3 seconds is
  7 m/s -3.6 m/s = 3.4 m/s
Answer Link

Otras preguntas

please someone help me with this exercise I don't understand it and I really need it
help me pleaseeeeeeeeee ​
Which radical expressions are equivalent to the exponential expression to (13+13)1/2
What happens to a 44-degree angle if you rotate it 90 degrees counterclockwise?
if one unit is equal to 2 feet, what is the perimeter of the garden?
Tanzania turned its economy around by _?_ . A. growing coffee and palm oil B. promoting equal wealth for all C. paying farmers a fair price for their crops D. n
Why do people get warnings on Brainly? What do they mean?
Necesito una calculadora para la clase de a. historia b. matemáticas C. español Please select the boot annou
A line passes through the point (-8,5) and has a slope of -3/4 . Write an equation in slope-intercept form for this line.
Why is Jackson's confirmation to the US Supreme Court a significant event?