Physics, 03.01.2020 18:31 badpotterchris
Two identical copper blocks are connected by a weightless, unstretchable cord through a frictionless pulley at the top of a thin wedge. one edge of the wedge is vertical, and the tip makes an angle of 43⁰. the block that hangs vertically weighs 2 kg, and the block on the incline weighs 2.41 kg.
if the two blocks do not move, what is magnitide of the force of friction on the second second block? fb
Answers: 2
Physics, 21.06.2019 20:00
What happens to atoms and chemical bonds during a reaction?
Answers: 1
Physics, 22.06.2019 05:30
A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?
Answers: 3
Physics, 22.06.2019 05:40
Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen
Answers: 1
Physics, 22.06.2019 06:30
In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant
Answers: 1
Two identical copper blocks are connected by a weightless, unstretchable cord through a frictionless...
History, 07.10.2019 17:20