An althlete running a 800m race around around a circular track in which the athlete is expected to do four rounds before coming to a stop at the finish line.
Describe the speed of the athlete running around the circular track when he has done three rounds
out of the four?

Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.