Explain why the rust of an iron bar decreases the strength of the bar.

What makes a snakes bigger? (ideas like Terrain climate ext) your ideas will be put in my research

A skydiver jumps out of a helicopter and falls freely for 14.4 s before opening the parachute. What is the skydivers speed (in m/s) when the parachute opens?

Blythe and Geoff are ice-skating together. Blythe has a mass of 40 kg and Geoff has a mass of 79 kg. Blythe pushes Geoff in the chest when both are at rest, causing him to move away at a speed of 5 m/s.

The wavelength of light mainly affects our perception of

A contractor made a small error in laying the foundation of a building. Instead of being level, the foundation was at an angle of two degrees. After the building was built, the entire structure leaned dangerously to the left and had to be torn down.

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?

A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 6.2 µC/m2. (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?