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 human activity contributes to air pollution

If a person has hives, swelling, and is having difficulty breathing due to a swollen throat, what is the most appropriate question to ask? Are you choking? What

Find all numbers whose absolute value is 8.

Huck and Jim are waiting for a raft. The number of rafts floating by over intervals of time is a Poisson process with a rate of λ = 0.4 rafts per day. They agre

Alan's dogs have a total of 24 legs (l). If each dog has 4 legs, which equation gives the number of dogs (d) that Alan has?

what is the general terms of the sequence 4, 7, 12, 19

If a solution containing 80.701 g80.701 g of mercury(II) perchlorate is allowed to react completely with a solution containing 12.026 g12.026 g of sodium sulfid

3Q + 4T = 26. P=2T=3Q l. What is 6P? The answer is 52 but I don’t understand how they got this answer

A regular hexagonal prism has a height of 12 cm and base edge length of 10 cm. Identify its lateral area and surface area. L = 620 cm2 ; S = 942.6 cm2 L = 720 c

Wowee Appliances is setting up production and distribution facilities in India to meet the growing demand there. The company's executives want the human resourc