col7kings col7kings

03-04-2022
Physics

contestada

A car of mass 1200kg moving 90km/hr is brought to rest over a distance of 20m. calculate breaking force.

Respuesta :

col9kings col9kings

03-04-2022

Answer:

-18,750N

Explanation:

90x1000

-------------

3600

u=25m/s

v=0m/s

v^2=u^2+2as

v=0

=625+(2×a×20)

625+40a

-625=40a

a= -15.625 m/s^2

F=ma

=(1200)(-15.625)

= -18,750N

Answer Link

Otras preguntas

How is exploring oceans similar to exploring space?

Is there a maximum age for a presidential candidate?

Maria finished with 180 percent of her original amount. If she finished with 7200, what was Maria's original amount

Under which conditions of temperature and pressure does a real gas behave most like an ideal gas

how would the extinction of the deer mouse affect the grassland ecosystem?

Emma is practicing a back handspring in gymnastics class. She does it perfectly 8 out of 12 times. What percentage did she do perfectly?

C xy2 ds, c is the right half of the circle x2 y2 = 4 oriented counterclockwise

Where does a grassroots movement begin?

Tyra designed an experiment to demonstrate an annular solar eclipse. The steps of the experiment are listed below. Place a light bulb on a stand. Stick a pencil

How do I sketch a net if the rectangular prisms sides are: 6 7 3? Pleas no pictures of nets thats rude