Gravity and Motion
The property described by 'G'
What is the universal gravitational constant?
The units representing electric charge.
What is a Coulomb?
Define an intertial frame of reference.
What is a frame of reference that is not accelerating.
Identify which nature of light the double slit experiment verifies.
What is the wave nature of light?
State how many quarks form a Baryon.
What are three quarks?
Identify Keplers first law.
What is elliptical orbits of planets?
Calculate the force experienced be 1m of wire held perpendicular to a 3T magnetic field if 2ohms of current is flowing.
What is F=1x3x2 = 6N
Define and pronounce simultaneity.
What are events that occur simultaneously for one observer may not be simultaneous in another frame of reference?
2.7 eV - how many Joules
What is 4.3 x10-19J
List all the quarks
What is - Up, Down, Top, Bottom, Charm, Strange?
Calculate the direction and magnitude of acceleration for a 10kg object traveling at 5m/s around a corner with a 3m radius.
What is 8 m/s2 towards the centre of the circle.
Describe how electromagnetic induction occurs.
What is a dynamic (moving) interaction between a conductor and magnetic field.
Einstein famously described these two properties as equivalent.
What is mass and energy?
Calculate the energy (J) of a photon with a wavelength of 400nm.
What is 5x10-19J
List the fundamental forces.
What is SNF, WNF, Gravity, EM?
An archer fires another arrow at an angle of 40° to the horizontal and speed 30 m/s. Ignoring the air resistance, calculate the horizontal component of the velocity after 2.5 seconds.
What is 23 m/s
Identify the charge on a particle moving horizontally to the right if it is deflected downwards as it enters a magnetic field directed into the page.
What is negatively charged.
Joanna is watching Spaceship B fly past at 0.943c. She measures the length of Spaceship B from her frame of reference to be 150 m. Calculate the proper length of Spaceship B.
What is 451m?
Calculate the work function (J) of aluminium which has a threshold frequency of 9.8x1014Hz
What is 6.5x10-19J
Match the fundamental forces with their respective particles in the standard model.
What is: EM - Photon, SNF - Gluons, WNF - W and Z
A 50kg block is at rest on a 20degree incline. Calculate the force of friction holding the block stationary.
What is 168N.
Electric field strength due to a charged particle depends on both charge and separation. If the separation were doubled, what happens to the field strength.
What is reduced by a factor of 4.
Explain the twin paradox.
What is an Earth-bound person ages faster than their space travelling twin, despite them both seemingly observe the same event. The space twin will experience non-inertial frames of reference during acceleration in space causing the Earth-bound twin to rapidly progress through time.
Calculate the radius of the first excited state (n=2) of hydrogen if the electrons energy is 5.44x10-19J.
What is 2.12x10-10m
Identify which forces are experienced by uncharged Leptons.
What is WNF, Gravity?