if 1kg and 10kg spherical metallic balls are dropped from the same height on moon then they reach the ground at the same time. give reason

Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.

Which of the following is not used to measure wind? oa. psychrometero b. wind socko c. weather vaneo d. anemometer

Earth has a mass of 5.97 x 1024kg, and a mean radius of 6.38 x 106m. what would be the orbital speed and period of a satellite in orbit 1.44 x 108 m above earth?