ANSWER ASAP GIVING BRAINLIEST AND OTHER STUFF! Please answer the following with 5 or more sentences:
How does the velocity of a moving object depend on the choice of frame of reference?

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.