Una canica rodando por una superficie plana y dura en 2Srasube por una rampa. Asumiendo quegramo= 10Sra2 y no se pierde energía por fricción, ¿cuál será la altura vertical de la canica cuando se detenga antes de rodar hacia abajo?

a small object of mass 3.66 g and charge -17.6 µc is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. what are the magnitude and direction of the electric field?

the answer would be c. motion and direction

i hope this : )

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.