Mars has a mass of about 6.4 x 1023 kg, and its moon Phobos has a mass of about 9.6 x 1015 kg. If the magnitude of the gravitational force between the two bodies is 4.6 x1015 N, how far apart are Mars and Phobos?

A rock hits the ground with a speed of 7 m/s and a kinetic energy of 100 J. What is the rock's mass?

The sharing of valence electrons between atoms indicates an ionic bond. True or false

About working of geyser and prepare a report

Which wave source can travel through the vacuum of space? a. lasers b. sound waves c. pressure waves d. high frequency whistles

An ocean wave travels 10.9 m in 5.1 s. the distance between two consecutive wave crests is 4 m. what is the frequency of the wave? answer in units of hz.

How much force is needed to stretch a spring 1.2 m if the spring constant is 8.5 n/m? 7.1 n 7.3 n 9.7 n 10.2 n

What forces are equal and opposite sides

B. how does the separation between galaxies compare to the separation between stars? based on your answer, discuss the likelihood of galactic collisions in comparison to the likelihood of stellar collisions.

Period vs string length String length (cm) 100cm, 75cm, 50cm, 25cm Each one below matches the strength length above time 10 periods (s) - trial 1 time for 10 periods (s) - trial 2 time for 10 periods (s) - trial 3

How could you determine the instantaneous speed during a trip?