A ball thrown horizontally from a point 53.8 m above the ground, strikes the ground after traveling horizontally a distance of 98.3 m. Assuming negligible air resistance, the initial speed of the ball is

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.