Un patinador se dirige hacia el norte por una ciclorruta rectacon una velocidad inicial de 8 m/s y a los 3 segundos aumenta su velocidad hasta 12 m/s.¿Cuál es su aceleración?

The de broglie relation λ=h/p can be rewritten in terms of the wave number k as p=kℏ. recall that wave number is defined by k=2π/λ. using the fact that λ=v/f, find the wave numbers k1 and k2 corresponding to frequencies f1 and f2. express your answer as two expressions

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2