Question1a photographer in a helicopter ascending

Reference no: EM13350620

Question1

A photographer in a helicopter ascending vertically at a constant rate of 12.5 m/s accidentally drops a camera out the window while the helicopter is 60.0 m above the ground.

(a) How long will it take the camera to reach ground?

(b) What will its speed be when it hits?

Question2

A 4.130 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is μs = 0.455 and coefficient of kinetic friction is μk = 0.305. At time t = 0, a force F = 11.3 N is applied horizontally to the block. Status the force of friction applied to the block by the table at the follow times-
t=0 and t>0

Question3

The Earth's magnetic field has strength of about 0.5 gauss. What magnetic field strength has to be produced by the Helmholtz coils so that the Earth's magnetic field has less than a 1 percent effect on this experiment?

Reference no: EM13350620

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