F=MA
F=(8 kg)(9.8 m/s)
F= 78.4 N
W=FD
W=(78.4 N)(7 m)
W=548.8 J
How this helps
The power equals energy divided by the time
P=E/t
P=1200/60
P=20W
Hope you get it!
Answer:
áp dụng công thức í, mình thấy câu này có rắc rối gì đâu
True because the atmosphere is in the way
Answer:
Explanation:
A lava lamp consists of oil, and wax in a glass, and a heat source (a light bulb) placed underneath the glass. When the lamp is turned on the bulb gets hot. As the bulb heats up some of the heat from the bulb is transferred to the glass by radiation.
