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

a) En el siguiente amperímetros. circuito están conectados dos Si el amperímetro 1 marca una intensidad de corriente de 8 A, ¿qué intensidad marca el amperímetr

describes the process for participating in a physical activity

If Cyrus knows that △ABC∼△EDC and AB¯¯¯¯¯¯¯¯∥ED¯¯¯¯¯¯¯¯, how can he prove that line m passing through AB¯¯¯¯¯¯¯¯ has the same slope as line l passing through ED

The genetic combination for the trait is the __________ and the physical characteristic that you see is the _________.

Is (x+5) a factor of f(x)=x^3 - 4x^2 + 3x + 7? use either the remainder theorem or the factor theorem to explain your reasoning.

Latoya created a factor tree and wrote the prime factorization of 90 shown below.

4.6. What is the maximum peak output voltage and current if the supply voltages are changed to +15 V and -15 V.

please turn these sentences into the imperfect tense Spanish 100pts

a water tap fills a tank within 4 hours, at the bottom of the tank there is a hole for empty. the tank takes one hour to be empty. If the tap and the hole are t

Jeff is going snowboarding this weekend and wants to determine the exact slope of this hill.