Atransformer consists of 290 primary windings and 816 secondary windings. part a: if the potential difference across the primary coil is 23.0 v , what is the voltage across the secondary coil?
part b: if the potential difference across the primary coil is 23.0 v , what is the current in the secondary coil if it is connected across a 100 ω resistor? express your answer in amperes to three significant figures.

Why do different substances have diffrent properties

An astronaut floating in space is trying to use her jetpack to get back to her space station, but she is being pulled away by a nearby planet, as shown in the image below. her jetpack provides a constant thrust of 310 n. if she angles her jetpack in such a way that it cancels out the vertical force due to the planet's gravity, what is her net horizontal force? thaud 487 o a. 54.8 n toward the space station o b. 212.9 n toward the space station o c. 185.2 n toward the space station o d 956 n toward the space station

3. which is not a primary color of light? blue red green yellow