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Unit 3 Kinematic equations
Terms in this set (8)
Vo = initial velocity (m/s)
V = final velocity (m/s)
D = displacement (m)
A = acceleration m
T = time (s)
Steps for solving a problem
1. Write/ Have available the BIG 5
2. Write your 5 variables with FUNDAMENTAL UNITS kg, m, s, m/s; if necessary ⇒ convert!!!
3. Write the EQUATION of the variable that is not mentioned in the problem.
4. ISOLATE desired variable using letters.
5. Plug in the numbers and SOLVE
6. BOX the right answer.
Acceleration due to gravity
Object moves due to inertia
Constant velocity formula
A ball is thrown off a building. If the ball is thrown up at 5m/s and lands 3s later.
a)What is the height of the building?
b) Find the impact velocity of the ball?
A person standing on the edge of a high cliff throws a rock straight up with an initial velocity of 13.0 m/s. The rock misses the edge of the cliff as it falls back to earth. Calculate the position and velocity of the rock a)1.00 s, b)2.00 s, and c) 3.00 s after it is thrown, neglecting the effects of air resistance
Pablo is in his car at a traffic light. When the light turns green, Joseph passes Pablo in his truck. Joseph is moving at a constant speed of 35.7 m/s (~80 mph). Pablo begins to accelerate at 5.0 m/s2. How far does Pablo accelerate to catch up to the Joseph Mitchell? What is the final velocity of Pablo's car? answer in mps and mph.
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