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A uniform rod rotates in a horizontal plane about a vertical axis through one end. The rod is 13.00 m long, weighs 21.67 N, and rotates at 500 rpm clockwise when seen from above. Calculate the rotational inertia of the rod about the axis of rotation. Calculate the angular momentum of the rod about that axis.
A 0.15g honeybee acquires a charge of 21pCwhile flying, What is the ratio of the electric force on the bee tot he bee's weight and What electric field strength and direction would allow the bee to hang suspended in the air
Both teenagers pull with a force of 55 at an angle of 35 relative to the forward direction, that is the direction of motion. In addition, the snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magn..
An object is solid throughout. When the object is completely submerged in ethyl alcohol, its apparent weight is 15.8 N. What is the volume of the object
A 2.5-m-long steel wire in a musical instrument has a radius of 0.02 mm. When the wire is under a tension of 91 N, how much does its length change
24.0g of copper pellets are removed from a 300 ? C oven and immediately dropped into 120mL of water at 24.0 ? C in an insulated cup. What will the new water temperature be
The volume flow rate of the water supplied by a well is 1.53 x10-4 m3/s. The well is 31.8 m deep. Find the pressure difference the pump must maintain
A 900- kg car collides with a 1300- kg car that was initially at rest at the origin of an x-y coordinate system. What was the initial speed of the lighter car (in km/h)
Suppose a portable electric heater can be modeled by an Ohmic resistor. If the heater requires 600 Watts to operate, calculate the voltage drop across the heater
A light rope 5m long supports a 30kg mass against gravity. What is the mass per unit length of the rope
A bullet with a mass of 4.25g , traveling horizontally with a speed of 434m/s , is fired into a wooden block with mass of 0.786kg, What is the decrease in kinetic energy of the bullet
A certain projectile is launched with an initial speed v0. At its highest point its speed is v0 / 4. What was the launch angle
A specimen of oil having an initial volume of 600cm3 is subjected to a pressure increase of3.6×106Pa, What is the bulk modulus (in Pa) of the material
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