2. Which one of the following statements are true of the sample of matter described by Figure
1?
a. As heat is added to the sample, its temperature always increases.
b. The sample is melting between a temperature of about -100°C and -10°C.
c. The liquid state would be observed in the sample at both 200 seconds and 400 seconds.
d. The solid state would be observed in the sample at both 600 seconds and 800 seconds.

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

In what direction does an applied force move an object