IB Physics EE examples

What is the effect of varied denier values of hemispherical ripstop nylon parachutes (20D, 40D, 70D, 90D, 120D) on their drag coefficients as measured by testing in a wind tunnel against an air speed of 7.5 m⋅s-1?

What is the effect of varying magnetic field strengths (0.020, 0.030, 0.040, 0.050, 0.060, 0.070, 0.080, 0.090 Tesla) and power supplied (9.6, 21.9, 38.8, 61.5, 88.2, 123.9, 161.6, 203.4, 253.0 W) on the power input of a DC motor as measured by its rotational speed per minute (RPM)?

What is the effect of the sand mass to cement mass ratio (1:1, 2:3, 3:2, 11:4, 4:11) in a cement-mass mixture on its thermal conductivity derived from measured temperature change after 360s of heating?

How do varied angles of attack (−5°, −3°, 0°, 2°, 4°, 6°, 8°, 10°, 12°, 14°, 16°, 18°) and flap angles (0°, 22.5°, 45°) of a NACA 2412 airfoil impact its lift coefficient as measured by the AF1300 Subsonic wind tunnel sensors?

How does changing the angle of attack (°) of an airfoil affect an aircraft's lift generation rate (N/s)? Hence, which angle is the most suitable for a commercial flight takeoff?

How does the air permeability of a hemispherical ripstop nylon parachute (𝑐𝑚^3 𝑠 ^−1 𝑐𝑚^−2 ) affect its coefficient of drag?

What is the effect of initial angular velocity and the number of cuts on an Aluminium disc, towards the time for an electromagnetic brake to completely stop, and its experienced braking force due to formation of Eddy Currents?

How does varying the magnetic field strength and the power input of a DC motor affect its rotational speed?

To what extent does electromagnetic interference affect the performance of computer devices and what are the mitigation strategies that can be applied?

To what extent does the tension being applied on a wire affect the resonance frequency?

To what extent does the angle of attack of the fins (0°, 3°, 6°, 9°, 12°) of a moving projectile affect its lateral distance (range) and apogee (maximal height), if initial velocity (2.7 m/s), shape, angle (60°), and launch environment are kept constant?

How does the total energy supplied during ultrasonic cavitation of benzene affect the integrated photoluminescence intensity and quantum yield of graphene quantum dots (GQDs)?

What is the relationship between the height of the siphon and the flow velocity out of the siphon?

What effect does the difference in radius at the top and bottom of the roller coaster loop have on the maximum change in g-force that a passenger experiences?

How is the lift at various angles of attack affected by flap deflection angles?

Fluid’s density effect on falling objects

How does altering the curvature of an aircraft wing function to reduce aerodynamic drag and thus aircraft greenhouse emissions?

What is the relationship between the critical air speed required to blow a bubble and the radius of the wand forming it?

How do the Angular Momentum and Orbital Velocity affect the Eccentricities of Planetary Orbits?

“How does the length of a U Folded metallic chain with one end fixed affect the time taken for it to unfold under the influence of gravity?”

How do changes in viscosity of fluid affect the speed and amplitude of surface waves that are generated by an impact of spherical object?

How does increasing the angle of a simple pendulum affect its time period?

An Investigation into the Physics of Toroidal Banked Turns

To what extent do the properties of Delta Cephei compare to those of The Sun?

THE RELATIONSHIP BETWEEN THE SALINITY OF WATER AND THE REFRACTIVE INDEX OF WATER

How does the velocity of a bicycle on a flat horizontal surface affect its stability?

To what extent can the acceleration of a cart-pulley system be determined from the height difference of water in a container placed on the accelerating system?

To what extent does the slit geometry (number and width of radial slits) of an oscillating conductive disk affect the magnitude of eddy-current braking?

To what extent do different concentrations of glycerol in a liquid affect the velocity and shape of an air bubble rising in it?

To what extent does the shape of a body (sphere, cylinder, cube, and square pyramid) influence the damping ratio of small-angle pendulum oscillations in air when the cross-sectional area and mass are kept constant?

To what extent does fluid viscosity influence the damping coefficient in a vertically oscillating spring-mass system suspended within the fluid?

¿Cuál de los perfiles NACA 0012 o NACA 2412, presenta una mayor capacidad de generación de sustentación a bajos ángulos de ataque y mayor coeficiente de sustentación máxima, siendo más adecuado para aviones de monomotor en la fase de despegue?

How does increasing the sand mass (kg) relative to the cement mass (kg) in a cement-sand mixture affect its thermal conductivity in W(m · K)−1 ?

To what extent does operating temperature affect the maximum electrical power output of polycrystalline silicon solar cells from 15 to 75 degrees Celsius?

How does sugar concentration affect the orientation of polarised light?

To what extent does the variation in the throat area of a nozzle affect both the maximum thrust and the duration of a sugar-fueled rocket motor?

Investigation of the Relationship Between Horizontal Slingshot Extension and The Displacement of a Circular

How does the magnetic flux density impact the magnitude of the braking force due to induced eddy currents for a track of constant dimensions and coefficient of static friction?

What is the relationship between the half-angle of a right circular cone and its drag coefficient?

How does varying the applied voltage influence the temperature difference across a Peltier module during the thermoelectric cooling process?