Aparachutist weighs 1000n. when she opens her parachute, it pulls upwards on her with a force of 2000n. (a) draw a diagram to show forces acting on the parachutist. (b) calculate the resultant forces acting on the parachutist. (c) what effect will this force have on her ?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

Explain why electric current cannot exist if a current doesn't have a voltage source.

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?