maricialonglegs maricialonglegs

17-09-2021
Physics

contestada

A ball is released at the top of a ramp at t = 0. Which is the speed of the ball at t = 4?

A ball is released at the top of a ramp at t 0 Which is the speed of the ball at t 4 class=

Respuesta :

17-09-2021

Answer:

For uniform acceleration

a = (v2 - v1) /t = 2.5 acceleration is constant 2.5

v2 = 2.5 * 4 v1 = 0 at t = 0

v2 = 2.5 m/s^2 * 4 s = 10 m/s

Answer Link

Otras preguntas

The retail cost of a tv is 55% more than it’s wholesale cost. Therefore, the retail cost is ___ times the wholesale cost.

Elegir haz clic en la(s) palabra(s) que no está(n) Relacionada(s) con el grupo

Why are light-years more convenient than miles, kilometers, or astronomical units (AU) for measuring the distances to stars and galaxies? (Select all that apply

Question 1 with 1 blankEl viernes a las cuatro de la tarde, la profesora Mora (asistir, costar, usar) a una reunión (meeting) de profesores. Question 2 with 1 b

What does blood symbolize in Gothic literature? A. a person's repressed or hidden desires B. the fragility of the human condition C. a person's obsession wit

Which graph represents a function?

GIVING ALL OF MY POINTS I NEED FULL ANSWERs :)) <3 1. Research the origin of the word Gothic and how it evolved to one of the many ways it is used today

-| 15| simplify the expression

The maximum contaminant level (MCL) set by the EPA of thallium in drinking water is 0.0020 mg/L . Convert the MCL of thallium from milligrams per liter to parts

A large rectangular raft has a density of 725.5 kg/m3) and floating on a lake. The surface area of the top of the raft is 39.6 m 2 and its volume is 5.2 m3. Ass