Astronomers use tiny wobbles of distant stars to detect the presence of planets orbiting those stars. this occurs because the star exerts a gravitational pull on the planet while the planet

The slope of a velocity time graph over any interval of time gives the during that interval

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell