A student whose mass is 60kg runs up a height of 7.2m in 10.4 seconds find the power used by the student. (g=g.8m/s)

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.