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

because the framers of the United states constitution were concerned about citizens having too much power, they

What has provided money and jobs to Alaskans? gold oil silver iron

I need 1/2 - 1/3 = please

The War of 1812 had a profound impact on the American economy by causing an increase in A. immigration. B. imports. C. exports. D. manufacturing.

New-born babies of what animal are six feet tall and weigh almost 200 pounds?

Please help!!! :( Which foreign policy approach describes a country that avoids interaction with other countries? A: Intervention B: Diplomacy C: Imperialism D

True or False All living things are made of two or more cells

The U.S. was tempted to help France fight the Communists in this country in the 1950s. Cambodia Vietnam Laos Taiwan

Interactions between Muslims and Europeans during the seventeenth century are most commonly found in (A) the Atlantic Ocean. (B) the Arctic Ocean. (C) the South

What is the surface area of a rectangular prism with a base length of 7 yd, a base width of 5 yd, and a height of 6 yd? A. 107 yd2 B. 144 yd2 C. 210 yd2 D.