dubstep101nero dubstep101nero
  • 25-04-2018
  • Physics
contestada

If an object moved at 30.0 m/s and at a later time covers half the distance in the same time, calculate its new speed.

Respuesta :

avilled1712
avilled1712 avilled1712
  • 25-04-2018
15.00 m/s because it’s at half the speed imagine them both going for 1 second
Answer Link
Vespertilio Vespertilio
  • 21-07-2019

Answer:

15 m/s

Explanation:

Let in time t the object moves a distance d with speed 30 m/s.

Again in time t, it covers half of distance and the new speed is v.

So, d = 30 x t ..... (1)

d/2 = v x t

Put d = 30 t from equation (1)

30 x t / 2 = v x t

v = 15 m/s

Answer Link

Otras preguntas

HELP!!!! I'll mark brainlist !!! 1. Name the pitches of these notes in the treble clef. measure 1, beat 1 Answer: C measure 2, beat 3 Answer: measure 4, beat
What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7
Which of the following is a way that minerals are used? a. industry construction technology d. all of the above
what is periodicity?
A 33.1 g copper object is launched from a 1.5 m 30° steel incline positioned on the floor by being pulled up a string attached to a 50.0 g mass suspended vertic
¿Cuál es un mes de la primavera?
Which statement accurately explains whether a reflection over the Y axis and a 270° counterclockwise rotation would map figure ACB onto itself?
Find the missing factor. 8x2 - 15x + 7 = (8x - 7)( )
Which of Harriet Martineau’s books is a foundational treatise on sociological data collection?
what is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7:3