I like to just keep writing them over and over on a page also if you remember them just before the exam than as soon as you start write them on the front of your test so you don’t forget them.
Hope this helps.
V = m1 u1 - m2 u2 / m1
v = 0.01 * 500 - 2 * 1.4 / 0.01
v = 220 m/s
C. Reduce friction between its moving parts
you multiply 15cm by 750 mmhg
Answer:
26.22degrees.
Explanation:
Go through the attachment for a step by step simplified method of how the answer is gotten.