Question 1
Which has the
least kinetic energy?
◦ a 1400 kg object moving at 85 km/hr
◦ a 1800 kg object moving at 75 km/hr
◦ a 1200 kg object moving at 90 km/hr
◦ a 1600 kg object moving at 80 km/hr
Question 2
How many significant figures are there in the answer to the following problem?
(8.881 × 2.100) + 0.590 = ?
◦ one
◦ two
◦ three
◦ four