Answer:
non of the above
Explanation:
Quantity of heat = mass× specific heat× change in temperature
m= 7kg c= 4.18 temp= 46-25=21°
.......H= 7×4.18×21= 614.46kJ
Lol, I remember I helped my sister with this question but anyways, the card flew because of inertia and the quarter fell in the glass because of gravity :).
Answer:
15000 m/s
Explanation:
You just need to multiply the wavelength with the frequency.
Answer:
27.8 mph
Explanation:
May I have brainliest please? :)