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A person attempts to calculate the gravitational constant G by suspending two 100.0kg spherical masses from a high ceiling in a shopping mall and calculating the deflection of the cables from the vertical.
a) sketch a free body force diagram of one of the masses.
b) The cables are 45.0m long and attached to the ceiling 1.00m apart. What is the distance amnong of the two masses (centre of mass to centre of mass) at the bottom?
A wooden ring stand The bottom for this ring stand is made from a piece of wood 40 cm long, 15 cm wide and 1 cm thick. A whole 1 cm in diameter is bored by the centre of the ba
The merry-go-round described in the previous problem is pushed with a constant force of 53 N. What is the angular acceleration?
all
Manganin is an alloy of (A) Copper, manganese and nickel. (B) Copper and manganese. (C) Manganese and nickel. (D) Manganese, aluminium and nickel. Ans:
find the angle between two vectors if thier resultant is equal to either of them
When you are talking about relative velocity of A with respect B then it''s like you are observing the motion of A while standing on B. That is, with respect to you, B is at rest.
What is incorrect with this picture? Answer: The Current is the flow rate of charge. When the charge obtains to the junction of three wires (including the wire the
A particle of mass , initially moving with a speed v, collides head on ELASTICALLY with an identical particle initially at rest. a. Do you expect the total mass of the particles
Critical angle in certain substance is 300. Calculate the polarization angle of the substance?
A conductor moves with a velocity of 20m/s at an angle of (a) 90 ? (b) 45 ? (c) 30 ? , to a magnetic field produced among two square-faced poles of side length 2.5cm. If the
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