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At the local swimming hole, afavorite trick is to run horizontally off a cliff that is 8.3mabove the water. Once diver runs off the edge of the cliff,tucks into a ball and rotates on the way down with an averageangular speed of 1.6 rev/s. Ignore air resistance and determine the number of revolutions she makes while on the way down.
A bicycle has wheels with a diameter of 0.67m. It accelerates uniformly and the rate of rotation of its wheels increases from 191 rpm to 260 rpm in a time of 21.70 s. Find the linear acceleration of the bicycle.
An electron with an initial speed of 5.50×10^5m/s is brought to rest by an electric field. What was the potential difference that stopped the electron
An archer lines up an arrow on the horizontal exactly dead center on a target as drawn in the figure below. How long was the arrow in the air before striking the target
The intensity of an earthquake waves passing though the Earth is measured to be 2.0 x 10^6 J/m^2xs at a distance of 48km from the source. What was its intensity when it passed a point only 1.0km from the source
An automobile of mass 1500 kg and a truck of 3500 kg collide at an intersection. What is the velocity (magnitude and direction) of the vehicles immediately after collision
You pull your 55.00 kg friend on a 5.00 kg sled across a patch of snow. You pull using a 48-N force on a rope that makes a 35 degree angle with the horizontal. If the friction force between the sled and the snow is a mere 5-N what is the normal fo..
A light, rigid rod of length l = 1.00 m joins two particles, with masses m1 = 4.00 kg and m2 = 3.00 kg, at its ends. The combination rotates in the xy plane about a pivot through the center of the rod (see figure below). Determine the angular momentu..
Lightning strikes a point on earth, delivering 20.0 C of charge from cloud to earth across a potential difference of 1.00 108 V. How much energy is delivered to the ground
A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. What is the average power generated by the lifting force
The filament in an incandescent light bulb is made from tungsten. The light bulb is plugged into a 120 V outlet, determine how long must the wire be
You want to lift a heavy box with a mass of 98 kg using a two pulley system. If you lift the box by 1 m, how much work is done by gravity
Establish steady-state electric field inside Nichrome wire
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