Physics, 19.07.2019 17:30 sickomode2048
> en cual de las siguientes situaciones la fuerza neta sobre el cuerpo es cero? 1. un avion que vuela al norte con rapidez constante de 120 m/s y altitud constante; 2. un automovil que sube en linea recta por una colina con pendiente de 3 grados, a una rapidez constante de 90 km/h; 3. un halcon que vuela en circulos con rapidez constante de 20 km/h a una altura constante de 15 m a campo abierto; 4. una caja con supercies lisas, sin friccion, que esta en la parte de atras de un camion cuando este acelera hacia adelante en un camino plano a 5 m/s2.
Answers: 1
Physics, 22.06.2019 01:30
Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.
Answers: 1
Physics, 22.06.2019 08:00
Who was the first scientist to measure speed as distance over time?
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Physics, 22.06.2019 08:30
An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?
Answers: 1
Physics, 22.06.2019 09:00
As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy
Answers: 2
> en cual de las siguientes situaciones la fuerza neta sobre el cuerpo es cero? 1. un avion que...
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