- Where does The North Pole of a magnet point?
- When two magnets are brought near each other what will happen if two ends are near each other?
- In what region can the Magnetic forces can be felt?
- Where does The South Pole of a magnet point?
- 1. The atom consists of three smaller particles.(a) Give the name and charge of each of these particles.
- 4. What is the overall charge when an atom has more protons than electrons?
- 5. What happens to the charge on an atom when it gains electrons?
- Transverse waves cause the medium to move perpendicular to the wave. Longitudinal causes the medium to move parallel.
- Democritus, Dalton, Thomson(plum pudding model), Rutherford, Bohr(planetary model)
- a truck with a mass of 4,500 kg is traveling at a speed of 25 m/s. what is the trucks momentum?
- A child sits 4 m from the center of a merry-go-round. The tangential speed is 0.25 m/s what is the child's centripetal acceleration?
- elastic collision: do the bodies stick together or separate, do the deform or return to original shape
- in the motor effect, what happens to the force if:-the current, strength of magnetic field or length of the conductor is increase?-the direction of the current or the magnetic field is reversed?
- what happens when a conductor crosses through the lines of a magnetic field?
- what does increasing the current do to the magnetic field?
- what does a simple d.c generator have instead of two slip rings?
- why is plastic used to enclose the electrical connections within a plug?
- when a light ray refracts as it travels from air into glass, is the angle of refraction less or more than the angle of incidence?
- what kind of lens is in a magnifying glass and what is it used to form?
- what kind of lens is in a camera and what is it used to form?