1) For a constant resistance, how are potential difference and current related?
2) If the potential difference across a conductor is constant, how is the current dependent on resistance?
3) A nichrome wire with a resistance of 15 is connected across the t
THESE PROBLEMS WERE TAKEN FROM PAGES 72 & 73 IN YOUR BOOK
33) An elevator is moving upward 1.20 m/s when it experiences an acceleration of 0.31 m/s2
downward, over a distance of 0.75 m. What will its final velocity be? 0.99m/s
46) A rocket moves upward, s
1) Using only a tape measure and a stopwatch, how can you find the initial speed and angle of a football
kicked across a level surface? You must use words and math.
2) What does it mean if an object is in static equilibrium? Provide an example and explain
PHYSICSREVIEWPACKET
1-D MOTION including FREEFALL:
1) A bus leaves an intersection accelerating at 2m/s2. Where is the bus after 5s? What is the buss final
velocity? 25m, 10m/s
2) A train starts from rest accelerates to a speed of 20m/s over a time of 10s
1) A 95 kg mass initially at rest. It requires a force of 650 N to get the mass moving and then a force of
560 N to keep it moving at a constant speed. What are s and k? 0.7, 0.6
2) A 4000kg car starting from rest has a horizontal force of 32,000N acting
1) Two metal spheres are hanging on 0.5m long, non-conducting strings. Each
sphere has a charge of 5C. The metal spheres are separated by 0.15 m. The angle
made by the strings and where they are connected is 2. What is the mass of each
ball? Yes, you must
1) A 1,000kg car is traveling east at 20m/s when it perfectly inelestically collides with a northbound
2,000kg car traveling at 15m/s. If the coefficient of kinetic friction is 0.9,
a) How far do the two cars skid before coming to a stop? 8.19m
b) What an
1) Three charges are fixed on the ends of insulating rods as show in the
diagram. Charge A has a charge of +6C (where means micro and
mathematically is x10-6), charge B has a charge of -4C, and charge C
has a charge of +8C.
a) Find the net force and direc
MAJOR CONCEPTS:
1) Slope of a p-t graph=_
2) Slope of a v-t graph=_
3) y-int on a p-t graph=_
4) y-int on a v-t graph=_
5) M.R. #1 is used only under what circumstances?
6) Which M.R. helps if you dont have time?
Which M.R. helps if you dont have displace
CONCEPTS:
Newtons 1st law and how it is only a special case of the 2nd law when a=o
Newtons 2nd law. Be able to apply it in problems, but also conceptualize the
relationships between force, mass, and acceleration.
Newtons 3rd law. Know it and be able to u
REVIEW SHEET FOR ELECTROSTATICS & ELECTRIC FIELDS TEST
You should have a basic understanding of the following:
How do like charges behave?
How to opposite charges behave?
How do charges behave in an insulator? How can you test if something is an insulator