physic finals
two objects
d) the object with greater mass and velocity has greater momentum
any c force between
directly on the product of the charges and inversely to the square of the distance between the charges.
compass needle
answer A
a) 1
a identical part
a= wavelength
q1 q2
spring
a- quadripled
a- transverse wave
smaller low mass
c) the large truck receives a greater impulse than the small car
astronaut- answer b
b) mass remains the same
a magnetic
answer d
d)4
wave frequency
0.50m
20 m/s
b= 40 Hz
type of reflection
answer c- diffuse
wall of universe gravitation
b) the friction present is great enough to prevent motion
satellite a & b
one-fourth (1/4) of satellite A
electric field
answer b
b) object A is negative and object B is positive
vertical
c- decreases because of conversation of momentum
distance c
answer a
a- ampitude
two negatives
b) accelerate away from each other (repel)
gravitational force
a- there is a gravitational force on the satellite pullling it inward towards earth
wave
answer b
b) period
collision
answer c
c- kinetic energy is lost
?
1. either attractive or repulsive
2. always attractive
a women's hair
c) the generator takes electrons from her hair and like charges repel
repulse force answer d
d) 4
ray of light
answer a
a) also increases
neutral comb
unit of charge
c- coulomb