katzumivenegas28591 katzumivenegas28591

01-09-2018
Physics

contestada

A car going 30 meters a second undergoes an acceleration of 2 meters a second squared for 4 seconds. What is its final speed? How far did it travel while it was accelerating?

Respuesta :

Аноним Аноним

01-09-2018

v = u + at where v = final speed, u = initial speed , a = acceleration and t = time.

so here final speed v = 30 + 2*4 = 38 m/sec. answer

Distance travelled during this time

= (30 + 38) * 4 / 2 = 68 * 2 = 136 m answer

Answer Link

01-09-2018

30-2 =28m
28X4=112m/s

Answer Link

Otras preguntas

Which Demographic Shift Helped Ronald Reagan Garner Conservative Votes Across The Country <3

Colin meets three wooden boards to repair his porch.The length he needs are 2.2 meters,2.82 meters,and 4.25 meters.He purchases a board that is 10 meters long a

Why were few court cases won against monopolies and trusts during the Gilded Age?

Fighting in Vietnam started in 1954 when which European nation tried to reassert their colonial claims to Indochina? France Great Britain The Netherlands German

What were the effects of the Russo-Japanese War? Check all that apply. Japan was viewed as the most powerful nation in East Asia. Japan added Manchuria to its

what is Nunavut and what challenges has it faced recently?

Unscramble eres de dónde tú

Susie divided 9-POUND bag of apples into 5 equal piles. how many pounds of apples are in each pile

Which must be the same when comparing 1 mol of oxygen gas, O2, with 1 mol of carbon monoxide gas, CO?

In which region was Brussels,London,Paris, and Madrid located?