An acorn falls from an oak tree. You note that it takes 2.5 seconds to hit the ground. How fast

was it going when it hit the ground?

Objects A and B are brought close to each other. Object A will soon become positively charged. Identify the charge that must transfer for this situation to occur.

What would the time on the lower clock read if the frequency of the wave were 0.1 Hz

To determin the density of an empty plastic jug what would you measure

What part of the compressional wave has the lowest density

Which of the following is not a compound? a. sugar B. water c. salt d. gold

What two pieces of data indicates that uranus resides in the outer layer of the solar system.

What is acceleration? a. change in velocity/change in time b. change in distance/change in time c. change in mass/change in volume d. change in pressure/change in time

Brittany stands at rest on a skateboard. the combined mass of brittany and the skateboard is 62 kg. dave tosses a 3.7-kg pumpkin to brittany, and when she catches it, she and the skateboard begin to roll backward with a speed of 0.16 m/s.

The maximum restoring force that can be applied to the disk without breaking it is 40000 n. what is the maximum oscillation amplitude that won't rupture the disk

Which is a vector quantity speed or velocity