enyinnayamelody enyinnayamelody

03-09-2021
Physics

contestada

5. A car stops in 20 m. If it has an acceleration of-6m/s?,
how fast was it going before you started slowing down?

Respuesta :

VirαtKσhli VirαtKσhli

03-09-2021

Answer:

15.49 m/s

Explanation:

We know that the stopping distance is ,

=> s = u²/2(-a)

So that ,

=> 20m = u² / 2* 6m/s²

=> u² = 240m²/s²

=> u = √240 m²/s²

=> u = 15.49 m/s

**Edits are welcomed**

Answer Link

Otras preguntas

X/6=9/20 What is the answer?

solve w^2 + 7w - 18 = 0with the steps pls

The ruana is similar to a: tablecloth coat poncho skirt

1. In line 13 of the above passage, the sentence "I could not speak!" suggest that the author was....... a) afraid b) angry c) happy d) shocked

Ignoring friction, what is the acceleration of a 75.0 kg object which is acted upon by an unbalanced force of 500 N?

A box contains 50 batteries, of which 10 are dead and 5 are weak. Suppose you select batteries at random from the box and set them aside for recycling if they a

a steam engine work on its vicinity 285 k heat is released with the help of 225 c energy absorbed to the system what is the efficiency of steam engine explain t

What is another name for an X-Value 9TH GRADE ALGEBRA 1 A-output values B- range C- domain D- function

Which is NOT a subphylum or class under the Phylum Arthropoda? A. Crustaceans B. Arachnids C. Centipedes D. Planarians

Because it had not rained for several months, there was a ...................... of water.