You pull a rope to the left with 300n and a friend pulls it the rope to the right with 425n what is the magnitude and direction of the result vector

Distinguishing Sound and Electromagnetic Waves Quick Check Sort the facts into the category that they best describe.

A 3.00-kg box is suspended from the end of a light vertical rope. A time-dependent force is applied to the upper end of the rope, and the box moves upward with a velocity magnitude that varies in time according to v (t) = (2.00m/s2) t + (0.

The beginning development of a star is marked by a supernova explosion, with the gases present in the nebula being forced

Conceitue, exemplifique e explique a terceira lei de Newton

A small immersion heater is rated at 255 W. The specific heat of water is 4186 J/kg⋅C°. Estimate how long it will take to heat a cup of soup (assume this is 250 ml of water) from 17 °C to 62 °C. Ignore the heat loss to the surrounding environment.

The period of a simple pendulum is 3.8 s. the length of the pendulum is doubled. what is the period t of the longer pendulum? t = s

True or false - sound waves can travel across outer space.

In which one of the following locations can a person hear the echo of a sound? a. At least 33.2 meters behind the reflecting surface b. Less than 16.6 meters in front of the reflecting surface c. Less than 33.2 meters behind the reflecting surface d.

F an electron fell to a lower orbit or energy level, energy would be A. created. B. emitted. C. absorbed. D. transferred.

Which is the correct order from the closest to the sun to the farthest away from the sun? A. terrestrial planets, asteroid belt, gas planets, Kuiper belt B. gas planets, asteroid belt, terrestrial planets, Kuiper belt C.