What is the ratio of escape speed from earth to circular orbital speed? ignore air resistance.

A startled armadillo leaps upward, rising 0.587 m in the first 0.193 s. (a) What is its initial speed as it leaves the ground? (b) What is its speed at the height of 0.587 m? (c) How much higher does it go? Use g=9.81 m/s2.

Which of the following is NOT a property of long-period comets that suggests that they originate from the Oort cloud? a. Many of them have large inclinations relative to the ecliptic plane. b.

Which of these forms of radiation passes most easily through the disk of the Milky Way? 1 - red light 2 - blue light 3 - infrared light

Can an electron with a de broglie wavelength of 2µm pass through a slit that is 1µm wide

A 35-N bucket of water is lifted vertically 3.0 m and then returned to its original position. How much work did gravity do on the bucket during this process?

A 590-kg rocket is at rest on the launch pad. what upward thrust force is needed to accelerate the rocket uniformly to an upward speed of 28 m/s in 3.3 s?

Is work being done when a hiker puts on a bag

run at the same speed and in the same direction, and they both run for the same amount of time, what can you say about the distance they travel?

How can you show positive body languages with your mouth

After making minor changes to a team report, Jeff felit like he had done enough work on the project. When he was asked to contribute more, he got offlended and quit responding to requests from some leam members.