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A 66.0 kg bungee jumper, tied to a 30.0 m long cord, leaps off a bridge whose deck is 60.0 m above the water. He falls to 8.0 m above the water before the bungee cord pulls him back up. What is the magnitude of the impulse exerted on the bungee jumper while the cord stretches?
a solid copper and glass sphere are equally negatively and positively charged respectively. draw diagrams showing the
You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 24.9-m tall building and land on the ground safely at a final vertical speed of 3.87 m/s. What is the angular acceleration of the drum
A box with a mass of 8 kg is lifted (without acceleration) through a height of 9 m, in order to place it upon the shelf of the closet.
The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.027 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.067 kg and is initially at re..
total electric charges q are distributed uniformly onver the half spherical shell. Calculate the electric field at the center o of the sphere
A hydrogen molecule with an initial velocity of 1200m / s makes a collision with a molecule of oxygen at rest. The reason for the masses of molecules is mO / mH = 16. What are the speeds of the molecules after collision.
The force of repulsion that two like charges exert on each other is 4.0 N. What will the force be if the distance between the charges is increased to 6 times its original value.
an average person uses 12000watt-hours per day, the cell is used for 6 hours a day at an incident of 1000wats/m^2, calculate the area need to supply this amount of power
1 there are two charges q1 0.00010c and q2 -0.00010c both located on the x axis at -0.10m 0.00m notation x position y
An oscillating LC circuit consists of a 73.7 mH inductor and a 5.39 ?F capacitor. If the maximum charge on the capacitor is 3.74 ?C, what are the total energy in the circuit
a blow-dryer and a vacuum cleaner each operate with a voltage of 120 v. the current rating of the blow-dryer is 10 a
The first stage of a space vehicle consumed fuel and oxidizer at the rate of 1.85 104 kg/s, with an exhaust speed of 3.30 103 m/s. Calculate the thrust produced by this engine
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