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A child in a boat throws a 5.80-kg package out horizontally with a speed of 10.0 m/s. The mass of the child is 23.0kg and the mass of the boat is 35.0kg.
Compute the velocity of the boat immediately after, assuming it was initially at rest.
Express your answer to three important figures and include the appropriate units. Enter positive value if the direction of the force is in the direction of the velocity of the box and negative value if the direction of the force is in the direction opposite to the velocity of the box.
An infinitely long conducting cylinder of radius a carries a change qi per unit length. If ρ is the perpendicular distance from the axis of the cylinder. Find the scalar potential φ everywhere.
Potential energy curves are a useful tool for making sense of nuclear processes such as alpha-decay, fission, and fusion. The potential energy curve for each different type of nucleus is different and depends on the number of protons and neutrons.
q1. if one end of a heavy rope is attached to a light rope and wave is sent down the heavy rope. what would happen to
A car travels at a constant speed around a circular track whose radius is 3.1 km, What is the magnitude of the centripetal acceleration of the car
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 58.0?. Dog A exerts a force of 260N , and dog B exerts a force of 320N
question if you pass current through a standard coiled spring what happens to the spring? will it expand as if pulled
A parallel-plate capacitor in air has a plate separation of 1.35 cm and a plate area of 25.0 cm2. Determine the charge on the plates before and after immersion
Earth's atmosphere is constantly bombarded by cosmic ray protons that originate somewhere in space. What would be the electric current intercepted by the total surface area of the planet
The mass of the brick will change but the weight of the brick will remainthe same. Both the mass and the weight of the brick will change.Both the mass and the weight of the brick will remain the same. The mass of the brick will remain the same but..
Calculate the work done on a gas, the change in internal energy of the gas, the heat added to the gas, and the change in entropy of the gas when 1.12 moles of oxygen
A pulley rotating in the counterclockwise direction is attached toa mass suspended from a string. The mass causes the pulley'sangular velocity to decrease with a constant angular accelerationα = -2.1 rad/s2.
Suppose you hear a clap of thunder 15.80 s after seeing the associated lightning stroke. The speed of sound waves in air is 343-m/s, and the speed of light in air is 3.00x 10^8 m/s.
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