***first correct answer gets a brainliest***
need fast.

the speed of an object is halved, what happens to its kinetic energy?
a. it is doubled
b. it stays the same
c. it is quartered
d. it is halved

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change

Which of the following is the best name for mgcl2