B) Determina el vector suma y el vector resta de dos vectores que forman entre sí un ángulo de 60° cuyos módulos son 5m y 10m. c) Determina el producto de un vector por un escalar: 4 A= ? A = ( 3, 5)

d) Determina el producto punto: D . A= ?
D = ( 5, 8)
A = ( 7, -4)

e) Determina el producto vectorial: D x A= ?
D = ( 5, 5, 1)
A = (2, -4, 7)

Identify the amplitude on the diagram and give the correct description. question 3 options: a because amplitude is the distance from wave crest to wave crest. b because the wavelength shows amplitude. c because amplitude is the distance between a crest (or trough) and rest. d because wavelength show amplitude. (brainiest if you get it right! ) ~kayla

Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n