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A projectile is fired with an initial speed of 60.7 m/s at an angle of 35.4 above the horizontal on a long flat firing range.
a) Determine the maximum height reached by the projectile
b) Determine the total time in the air
c) Determine the total horizontal distance covered (that is, the range)
d) Determine the speed of the projectile 1.39s after firing
e) Determine the direction of the projectile 1.39s after firing.
A fan is spinning at 900 rpm. When its motor is turned off it makes 75 rev before coming to a stop. If the work down by dissipative forces is 44.4J, Find the moment of Inertia of the fan and the torque due to dissipative forces.
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A girl is using a rope to pull a box that has mass of 30kg across a level surface with constant velocity. What is the normal force of the floor on the box
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