Ence to ariswer the question, A scientist begins work on forming a scientific theory.
Which logical inference can be made based on this fact?
(1 point)
O First, the scientist will form a hypothesis.
O First, the scientist will design an experiment.
O First, the scientist will conduct observations.
O First, the scientist will ensure the methodology is sound.

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?