Exam (elaborations)
PHYSICS EQUATIONS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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PHYSICS EQUATIONS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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PHYSICS EQUATIONS QUESTIONS ANDANSWERS WITH SOLUTIONS 2024
Displacement (d) - ANSWER d = Δx = final position - initial positon = net distance (plus direction)
Average velocity (v) - ANSWER v = Δx/Δt = d/Δt
Average acceleration (a) - ANSWER a = Δv/Δt
What assumption do we make with the BIG 5 equations? What are the 3 most frequently used
equations? - ANSWER That acceleration is constant (uniformly accelerated motion)
2. Missing d
3. Missing vf (v final, v)
5. Missing t
BIG 5:
1. Missing a - ANSWER d = ½(v₀ + v)t
BIG 5:
2. Missing d - ANSWER v = v₀ + at
BIG 5:
3. Missing v (v final) - ANSWER d = v₀²t + ½at²
BIG 5:
, 4. Missing v₀ - ANSWER d = vt - ½at²
BIG 5:
5. Missing t - ANSWER v² = v₀² + 2ad
For projection motion, we assume that the downward direction is... - ANSWER NEGATIVE direction.
DOWNWARD = NEGATIVE DIRECTION.
PROJECTILE MOTION - Horizontal Motion
(in the x-direction)
Give the equation for:
1. Displacement
2. Velocity
3. Acceleration - ANSWER 1. d = v₀t (in the x-direction)
2. v₀x = vx (velocity is CONSTANT in the x-direction!!)
v₀x = v₀cosθ₀
3. ax = 0 (acceleration in the x-direction is ZERO!)
PROJECTILE MOTION - Vertical Motion
Give the equation for:
1. Displacement
2. Velocity
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