A. A crow bar of length 2 m is used to lift a stone of weight 200 kg. If the fulcrum
is set 50 cm apart from the stone, how much effort should be applied to the other
end of the crowbar to balance it?
[1500 N]

Listed below are the measured radiation absorption rates (in w/kg) corresponding to 11 cell phones. use the given data to construct a boxplot and identify the 5-number summary. 1.16 0.85 0.69 0.75 0.95 0.93 1.18 1.17 1.42 0.54 0.57 the 5-number summary is nothing, nothing, nothing, nothing, and nothing, all in w/kg. (use ascending order. type integers or decimals. do not round.)

Part of a control linkage for an airplane consists of a rigid member cb and a flexible cable ab. if a force is applied to the end b of the member and causes it to rotate by θ = 0.5°, determine the normal strain in the cable. originally the cable is unstretched.

Acid rain is caused by human activity. select the best answer from the choices provided t f