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The arm of a crane is 17.0 meter long and makes an angle of18 degree with the horizontal. Suppose that the maximum load for the crane is limited by the amount of torque the load produces around the base of the arm.
a) Find the maximum torque the crane can withstand if the maximum load is 454 N? (Nm)
b) Find the maximum load for this crane at an angle of44 degree? (N)
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward, What is the total time the blue car is moving, What is the acceleration of the yellow car
a 500 watt heater is used to heat water in a plastic bucket. assume that 90 of the heat produced by the heater goes
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An arrow is shot vertically upward and then 2.02 s later passes the top of a tree 41.3 m high. How much longer will the arrow travel upward, and how high will it go
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an inductor of 219 mh with a resistance of 6 o is connected to a power supply with a maximum voltage of 219 v and a
In a nuclear experiment a proton with kinetic energy 1.5 MeV moves in a circular path in a uniform magnetic field. What energy (in MeV) must (a) an alpha particle (q = +2e, m = 4.0 u) and (b) a deuteron (q = +e, m = 2.0 u) have if they are to circ..
A 50 gram bullet is fired into a block of mass 4.0kg, initially at rest at the edge of a frictionless table of height 0.8m. find the speed of the system before it strikes the ground
A wire 2.45 m long carries a current of 19.2 A and makes an angle of 48.8° with a uniform magnetic field of magnitude B = 1.18 T. Calculate the magnetic force on the wire
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