When a machine is used to perform a task, work output is always more than work input. select the best answer from the choices provided t f?

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

It is advised not to hold the thermometer by the bulb while reading it

The velocity of sound wave in air at 35°c is 353m/s, calculate the velocity of sound at 46°c