A train travelled 3/5 of a journey in 6 hours. Then, it travelled the remaining 300 miles in 4 hours. What was the total average
speed for the whole journey?
_ mph

Asimply means that over time there was some sort of change.

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u