The definition of volocity is <span>the speed of something in a given direction.</span>
Average speed = (total distance) / (total time)
Total distance = (70km + 104km + 79km) = 253 km
Total time = (2hr + 1.5hr + 2hr) = 5.5 hrs
Average speed = (253 km) / (5.5 hrs)
<em>Average speed = 46 km/hr</em>
Answer:g=a=10m/s^2,
M=40kg,
S=150mm/1000=0.15m*30steps each=4.5m,
F=ma=40*10=400N
Power=W/t=F*s/t=F*V=1800/6 = 300W or 0.3kW
Explanation:
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Answer: Electromagnetic waves with wavelengths just shorter than those of visible light; Ultraviolet rays carry out more energy than visible light because it has a higher frequency. Electromagnetic Waves with wavelengths just shorter than those of ultraviolet rays; X-Rays can penetrate through most matter.
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