Recent content by demv18

Homework Statement Two objects of masses m1 and m2 are connected via a massless string and ideal pulleys. The coefficients of friction between m1 and the horizontal surface are ms and mk a) what condition needs to be met to set the system in motion? b)assuming that this condition is (barely)...

Homework Statement Given two vectors A=9i+1j+9k and B=12i-12j+10k find: a) Their dot product AB b) Their cross product AxB c)The angle between the vectors A and B d) a vector C that is parallel with A and has the same magnitude as B e) A vector C that is perpendicular to A and has the...

Homework Statement the acceleration of a particle is given by a=B√t where B=1.25, with the appropriate units. At t=0s, v=7m/s and x=1.5m a) what are the dimensions for "B" appearing in the formula a=B√t ? b) what is the speed as a function of time? c) What is the position as a...