Answer:
A- mass and type of material
B- type of material
C- Temperature
Explanation:
thx
A. 20m/s because the unit for velocity is m/s
i think it depends on the speed rate
<span>When an atomic nucleus emits a beta particle, "Atomic number remains same"
Hope this helps!</span>
Answer:
21.5 m/s
Explanation:
KE at bottom = PE at top
½ mv² = mgh
v = √(2gh)
v = √(2 × 9.8 m/s² × 23.5 m)
v = 21.5 m/s
