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How does the temperature of a metal wire affect its electrical resistivity?
Physics
IA
7
SL
Pro
What is the relationship between the resistance of a resistor and the efficiency of a basic electrical circuit
Physics
IA
7
HL
Pro
How does the efficiency of an electric motor vary with different power inputs with the help of joule’s experiment?
Physics
IA
4
HL
How do different insulation materials (foam wrap, wool, aluminum foil, bubble wrap, steel) with specific thermal conductivity (k) affect the heat transfer rate (Q/t) in a controlled environment?
Physics
IA
5
HL
Pro
The investigation of the influence of temperature on the spring constant of a spring
Physics
IA
5
SL
How does the surface area of various beakers affect the time of heat loss of water from 80°C to 40°C under room temperature conditions?
Physics
IA
5
HL
Pro
How does the width of a speed hump (1.0,1.5,2.0,2.5,3.0,3.5,4.0 𝑐𝑚) on a flat surface influence the dynamic frictional force experienced by a moving cart in a two-mass system?
Physics
IA
6
HL
Pro
To what extent does the salt concentration in water affect its specific heat capacity (in J/kg °C) by measuring the temperature change (in °C) in the fixed time (in s)?
Physics
IA
5
HL
Pro
How does the position on the tennis racket affect the kinetic energy lost (J) by a tennis ball during impact?
Physics
IA
7
HL
Pro
Research question: How does the length of a string influence the rate of mechanical energy dissipated in a simple pendulum system?
Physics
IA
5
SL
Pro