Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Physics
a weightless plank of unknown length has one concrete block at the left end,another at the center, two at the right end.if its center of gravity is 2.5m,what is the length of the plank?
1 answer
2.5 m from where?
right end or left end?
You can
ask a new question
or
answer this question
.
Related Questions
1. What is the difference between a party’s platform and a plank? Select all that apply. (2 points)
A.A plank is more general
A block of mass 5.53 kg lies on a frictionless horizontal surface. The block is connected by a cord passing a. over a pulley to
Use the table to answer the question. Block Length Width A 23 115 B 46 230 C 460 52 Which blocks have proportional
A uniform plank of length 3 m is supported by two wooden trestles L and M as shown in the diagram above. L exerts a force of 80n
A concrete block is made by pouring 1000cm^3 of concrete into a 10cm by 25cm rectangular tray. How thick is the block?
<
1. What is the difference between a party's platform and a plank? Select all that apply. (2 pi ©A plank is more general than
A uniform wooden plank 68cm long and weighing 38N rest horizontaly on two knife edges each 10cm from the ends of the plank. (1)
A uniform plank weighing 50N and 12m long is pivoted at a point of 4m from one end.A boy weighing 30N sits on the plank 7m from
A steel block rests on a wooden plank, 6m long. At what height must the one end of the plank be lifted above the other end to
A 53-N crate is suspended from the left end of a plank. The plank weighs 21 N, but it is not uniform, so its center of gravity
