How was magnetism discovered

4. Which of the following are possible units for measuring acceleration? You may choose more than one answer. a. m/s? b. cm/s c. mph d. cm/s/s

Why is it easy to remove air from balloon and is difficult to remove air from glass bottle

What is the momentum of a 20 kg object moving at 100 m/s

What are the two requirements for glue to work (form a bond between two materials.)

How many minimum number of non zero vectors in different planes can be adder to give zero resultant

A toy helicopter begins flying across a field with a speed of 3 m/s and an acceleration of 0.8 m/s2. How long does it take the helicopter to reach a speed of 7 m/s?

A 50.0 kg child stands at the rim of a merry-go-round of radius 1.50 m, rotating with an angular speed of 3.00 rad/s. (a) what is the child's centripetal acceleration? incorrect: your answer is incorrect.

Do all types of waves need a medium to travel through

What feature of the ocean basin is formed when old oceanic crust is forced under continental plates

Thermal energy from the Earth's core heats rock and creates magma. This hot magma then rises toward the Earth's surface, cools, and sinks back down toward the Earth's core. Which actions below occur during this process? (multiple answers) A.