A student mixed 100 mL of water at 20 degrees Celsius with 100 mL of water at 80 degrees Celsius. He briefly stirred the mixture for 10 seconds and measured the temperature. The measures temperature of the mixture of water was-- A. 25 Degrees C
B. 40 Degrees C
C. 50 Degrees C
D. 65 Degrees C

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

If one object has a large redshift and another object has a small redshift, what can we conclude about these two objects?

An elevator is initially moving upward at a speed of 12.60 m/s. the elevator experiences a constant downward acceleration of magnitude 3.60 m/s2 for 2.97 s.