Astronauts on the first trip to mars take along a pendulum that has a period on earth of 1.09 s. the period on the other planet turns out to be 3.23 s. what is the free-fall acceleration on that other planet?

What is the frequency of a radio wave with an energy of 3.686 * 10-24 j/photon? answer in units of hz?

Carbon dioxide converts directly from a solid to a gas. Whatnprocess is this called

What 2 sources of friction do you have to overcome when you are walking

A 4.2 kg sled is being pulled along a snow-covered road with a rope that exerts a horizontal force of 6.0 n and, at that moment, is accelerating at 1.1 m/s2 on level ground with friction having no significant effect.

19. Gas A is composed of diatomic molecules (two atoms to a molecule) of a pure element. Gas B is composed of monoatomic molecules (one atom to a molecule) of another pure element.

How Much Potential Energy Does A 50kg block of Ice a Height of 4m Have?

In a summer storm the wind is blowing with a velocity of 8m/s north. Suddenly in 3 seconds, the winds velocity is 23m/s north. What is the winds acceleration?

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?