(Q).
Q: If a ball is released from rest when air resistance is negligible, velocity is seen to increase linearly, while what related property is a constant? Choices: - time - speed - density - acceleration A:
(A).
acceleration

(Q).
Q: What is created when the wave source moves faster than the wave propagation speed? Choices: - loop wake - piece wake - superceding wake - bow wake A:
(A).
bow wake

(Q).
Q: What type of blood vessels carry blood away from the heart? Choices: - Heart - tubes - Viens - arteries A:
(A).
arteries