Reading the temperature of a solution by using a thermometer is an example of a(n) . A.
hypothesis
B.
observation
C.
inference
D.
conclusion

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.