An alien civilization is in orbit around a high mass supergiant star. should they stay or should they go elsewhere? why?

19. The term, The Mad as a Hatter, began in 19th century Europe because hatmakers used mercury. Mercury vapor is toxic to Inhale and causes neurological damage.

a train moves east with a speed of 45 m/s a man on the train walks west with a speed of. 4 m/s relative to the train how long does it take the man to move 10m relative to the train?

Find the momentum of a heavy automotive weighing 5850 lb traveling 70 ft/s

As altitude increases, the required orbital speed of a satellite: decreases increases remains the same

A manufacturer had 5 business locations. The producer always dealt with the manufacture's office manager for policy changes.

The boom of a fire truck raises a fireman (and his equipment - total weight 280 lbf) 60 ft into the air to fight a building fire.

Two masses are separated by 1 m. suppose the masses are moved so they are 2 m apart how will the gravitational force change

Bob rubs a piece of fur on a hand rubber rod, giving the rod a negative charge. what happens?

The period of a simple pendulum is 3.8 s. the length of the pendulum is doubled. what is the period t of the longer pendulum? t = s

True or false - sound waves can travel across outer space.