SlytherinPrincess8 SlytherinPrincess8

14-05-2020
Mathematics

contestada

A point has a position vector given by [tex]r(t)=(2t,t^2)[/tex] for all time t ≥ 0 seconds. Find the speed of the object at t = 1 seconds.

8
4
2
[tex]2\sqrt{2}[/tex]

Respuesta :

MathPhys MathPhys

14-05-2020

Answer:

2√2

Step-by-step explanation:

r(t) = (2t, t²)

v(t) = dr/dt

v(t) = (2, 2t)

v(1) = (2, 2)

|v(1)| = √(2² + 2²)

|v(1)| = 2√2

Answer Link

Otras preguntas

what does gard mean give me the whole definition- it's for a friend

Evaluate the integral by making the given substitution. (Use C for the constant of integration.) âˆ« x^2âˆšx^3+37Â dx,Â u=x^3+37

PLEASE HELP! i have by the end of the day to turn this in. PLEASE DONT GUESS :)

Liam is setting up folding chairs for a meeting. If he arranges the chairs in 5 rows of the same length, he has 11 chairs left over. If he arranges the chairs i

Which sentence is written in nonstandard English? Lynsie started a new job this week, so she has to go to bed an hour earlier. Bryan don't got any sunscreen, so

A stone is dropped from the top of a high cliff with zero initial velocity. In which system is the net momentum zero as the stone falls freely

The British Prime Minister who drove the French out of America was ____. 1. George Washington 2. William Pitt 3. Edward Braddock 4. Benjamin Franklin

CAN SOMEONE PLS HELP! Describe how life in cities at the turn of the century differed for wealthy and working class people

I am struggling learning Spanish through my virtual class please help!

Jane could not take a bath until the faucet was repaired. *A. Subordinating conjunctionB. Coordinating conjunctionC. Correlative conjunction