Which of the following group 2 elements is the largest atom?
O Mg
Be
Ca
Sr

If a textbook weighs 37.2 n on venus, and the book has a mass of 4.4 kg, what is the strength of gravity on venus? 8.9 m/s28.9 m/si don't have enough information,9.8 m/s2

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?