Impulse & Momentum
The impulse experienced by a body is equivalent to the body’s change in…
What is momentum?
What is white light ?
Based on the depicted electric field, the charge on the left is ________ and the charge on the right is ________.
What is left positive and right negative?
In a series circuit, the current is…
What is the same at every point?
I am the least dangerous type of decay
What is alpha decay?
What does momentum depend on?
What is both the mass and velocity of an object ?
equation: p=mv
If a pendulum swings from back and forth 10 times in 40 seconds, what is the period of the pendulum?
What is 4 seconds?
What is it called when touching an object to Earth to eliminate excess charge?
What is grounding?
According to Ohm's Law, what is the relationship between current and voltage?
a) direct
b) inverse
c)no proportion
When you combine the nuclei of two atoms, it is called
What is nuclear fusion?
What will cause a change in momentum?
What is a change in force applied to an object to make it move ?
ie: a large force acting over a long period of time will have the greatest impact and change on momentum
Draw a picture of what the law of reflection would appear like.
What happens to the electrical force experienced by two charged particles separated by some distance if both of the charges double?
What is 4 times the force? or 4F
The total resistance in a parallel circuit is ALWAYS (greater, less than, or same as) the resistance of the largest resistor.
What is less than?
Which type of decay would be the most dangerous to living cells?
What is gamma decay?
A soccer ball is rolling towards a player who kicks it and exerts a force of 40 N on the ball for 0.125 seconds. What is the impulse of the ball?
What is 5 kg*m/s?
I=Ft = 40N (0.125s) = 5 kg*m/s
It is observed that 15 wave crests hit the shore every 10 minutes. The distance between successive crests is 3.2 m. What is the velocity of the waves?
What is 0.08 m/s ?
What is the electric field intensity of an object that is 0.67 m away from a small sphere with a positive charge of 2.3 x10-5C?
What is 4.61 x105 N/C ?
If you have a wire with 10 ohms resistance and 220 V. What is the current of the circuit?
What is 22 A ?
Isotopes are atoms of the same element but with different number of ...
What are neutrons?
A 2-kg firecracker at rest splits into two pieces. Piece #1 has a mass of 0.62-kg. Piece #2 moves with a velocity of 21 m/s to the right. What is thevelocity of the first piece?
0 m/s because it is at rest initially then explodes the two pieces after to have a final velocity but no initial velocity
A concave mirror has a focal length of 10 cm. If an object produces a virtual image 18 cm from the mirror, where is the object located? What is the do?
What is 22.5 cm is the do?
What electrical force is exerted with two identical charges of 1.78x10-6C that are seperated by a distance of 2.75 cm?
What is 37.7 N ?
Five 7.0 ohm resistors are connected in parallel to one another in a 8.0 A circuit. What is the total resistance in the circuit?
What is 0.2 ohm?
Sodium-24 has a half-life of 15 hours. How much sodium-24 will remain in an 18.0 g sample after 60 hours?
What is 14 days?