patriciabmc94 patriciabmc94

09-01-2021
Physics

contestada

The time it takes a car to attain a speed of 30 m/s when accelerating from rest at 2 m/s2 is?
A) 2 s.B) 15 s.C) 30 s.D) 60 s.

Respuesta :

ChoiSungHyun ChoiSungHyun

09-01-2021

Explanation:

u = 0m/s

v = 30m/s

a = 2m/s²

Using Kinematics, we have v = u + at.

Therefore t = (v - u) / a

= (30 - 0) / (2) = 15 seconds. (B)

Answer Link

Otras preguntas

In the media piece, Loose Talk Can Cost Lives, the visual images primarily convey which emotion. A. Intrigued B. Regretful C. Encouraged D. Paranoid.

In federal midterm elections voters choose

Which of the following describes the encomienda system set up by the Spanish? A system allowing landowners to grant portions of their land to the slaves who

DOUBLE POINTS+BRAINILIST ANSWER Identify the adjective in this sentence. She quickly ate the chocolate cake. quickly ate chocolate cake

Which statement from the Declaration of Independence1 best reflects the Enlightenment idea of popular sovereignty? A.We, therefore . . . solemnly publish a

If you were to create a mobile app and wanted to create it on an operating system that could handle multitasking, you would use the ______ operating system. No

find the dimensions of a rectangular door that has a perimeter of 220 in.if the width is 50 in.Less than the height of the door.

The price of a stock decreased by $.60 one week decrease $.10 the next week and decreased another $.20 the following week what is the average change in the pric

most of the current powers of the president are? A) not written in the constitution B) granted by the states C) granted by congress D) written in the cons

Hydrogen reacts with an element to form a compound. Which element would have the most electrons available to react with hydrogen? A. oxygen B. chlorine C. neon