Chapter 20 Flashcards
(5 cards)
1
Q
What are the suvat equations?
A
v = u +at.
s = ut + 1/2at^2.
s = vt - 1/2at^2.
s = 1/2(u+v)t.
v^2 = u^2 + 2as.
2
Q
What is the value of acceleration under gravity?
A
9.8 ms^-2.
3
Q
What is the time taken to return to ground level?
A
Twice to highest point.
4
Q
What is the speed of an object when it hits the ground?
A
Initial speed.
5
Q
How do you solve two-stage problems?
A
Simultaneous equations.
