Atoy robot is programmed to move in a straight line across a desktop according the equation x=-(11/15t^3) + 3.1t, where x is in inches and t is in seconds. at some point during the trip across the desktop, the robot is at rest. what is the robot's acceleration at this point? select one: a. −3.5 in / s2 b. 11 in / s2 c. −5.3 in / s2 d. 13 in / s2

Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?

The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output

Give your knowledge of these things in your paper, you will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting information. you’ll compare these features: signal shape numerical values for signal measurements amount of data that can be transmitted energy requirements privacy and security (ability of the signal to be encoded in a secret code) clarity of signal in the space provided, write down what you already know about any of these features. if you’re not sure, write down questions you might have about the features.