Physics Homework Aid
Physics holds significant importance among the natural sciences, elucidating life's wonders and ranking among the most challenging subjects to master.
QuestionAI is a rich and user-friendly physics problem solver for novice physicists, enabling exploration of atomic properties and interactions, alongside molecular trajectories under various forces. Furthermore, you can delve into the mysteries concealed amidst galaxies with fellow physics enthusiasts. Boldly pose your conjectures and queries to the AI, and authoritative answers will readily emerge.
- (e) The student made the necessary adjustments to get a clear image. Figure 3 shows the student's drawing of one of the cells. square The real length of the cell was 280 micrometres (um) Calculate the magnification of the drawing __ Magnifcation=times (Total 9 marks) (3)
- The unit used for the measurement of DENSITY iS __ kg/m^3 N/cm^2 kg [NONE of these]
- Why does the moon orbit Earth rather than the sun? a The moon is closer to Earth than it is to the sun. b The moon is more attracted to Earth's magnetic field. c The sun's gravity is too weak to affect the moon. d The moon is not affected by the sun's gravity.
- A fisherman pulls a boat towards land. The forces acting on the boat are shown in Diagram 1. The fisherman exerts a force of 300 N on the boat. The sea exerts a resistive force of 250 N on the boat. Describe the motion of the boat.
- 11. Calculate the change in % change in mass of a potato with an initial mass of 5g and a final mass of 4.5g square