Algebra
sqrt(-81)
What is plus or minus 9i?
Zeros of (x+5)2.
What is x=-5?
Force = ?
What is mass * acceleration?
A car is moving at a constant speed of 20 m/s for 10 seconds. How far does it travel?
What is 200 m?
A ball is thrown vertically upwards with a speed of 30 m/s. How long does it take to reach its highest point?
What is 30/9.8 s or approximately 3.06 s?
(a-b)(a+b)
What is a2-b2?
Zeros of x3-7x2+12x.
What are x=0, -3, -4?
Do vertical and horizontal motion affect each other?
What is no?
A car accelerates from rest at 2 m/s for 5 seconds. What is its final velocity?
What is 10 m/s?
A projectile is launched horizontally from a height of 80 m with a speed of 10 m/s. How far does it travel before hitting the ground?
What is 40.4 m?
6 choose 9
What is 84?
Quadratic equation.
What is (-b+-sqrt(b^2-4ac))/(2a)?
The force that allows bicycle tyres to rotate.
What is friction?
car starts from rest and accelerates at 3 m/s for 4 seconds. How far does it travel?
What is 24 m?
A projectile is launched at an angle of 45° with a velocity of 20 m/s. How long will it stay in the air?
What is approximately 2.88 s?
Expand (a+b)5.
What is a5+5a4b+10a3b2+10a2b3+5ab4+b5?
The limit as x -> infinity of (2x/(x+1))
What is 2?
At its highest point, and object thrown up has all of its energy in the form of ___.
What is potential energy?
A ball is thrown vertically upwards with an initial velocity of 15 m/s. What is the maximum height it reaches?
What is 225/9.6 m or 11.48 m?
A projectile is launched at 30° with a velocity of 25 m/s. What is its range?
What is 55.2 m?
Graph x=(y-4)2.
What is a right-parabola with y-intercept of 4?
Graph tanx.
What is ...?
What are mgh and 1/2mv2 respectively?
Two cars, A and B, start from the same point. Car A moves with a constant velocity of 20 m/s, while Car B starts from rest and accelerates at 2 m/s. After how much time will Car B overtake Car A?
What is 20 s?
A projectile is launched with an initial velocity of 50 m/s at an unknown angle θ. Find the angle θ that gives the maximum range, and calculate this maximum range.
What is 45° and 255.1 m?