The asteroid 234 ida has a mass of about 4x10^16 kg and an average radius of about 16 km. The acceleration due to gravity at the earth`s surface is 9.8 m/s^2. what is the acceleration due to gravity on the moon`s surface? a. 9.58 m/s^2
b. 2.8 m/s^2
c. 1.9 m/s^2
d. 3.0 m/s^2

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer

A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?