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A 2.00-kg mass object traveling east at 20.0 m/s collides with a 3.00-kg mass object traveling west at 10.0 m/s. After the collision, the 2.00-kg mass has a velocity 5.00 m/s to the west. How much kinetic energy was lost during the collision?
A satellite with a mass of 330 kg moves in a circular orbit 8.00 multiply.gif 107 m above the Earth's surface. What is the gravitational force on the satellite
A guitar string is 90.0cm long and has a mass of 3.17 g. From the bridge to the support post (=l) is 60.0cm, What are the frequencies of the fundamental and first two overtones
A parachutist whose total mass is 100kg is falling at 50 m/swhen her parachute opens. How many times her weight is this force
a heat engine takes in 150 kj of energy from a source at 740 k and expels 50 kj to a reservoir at 300 k. calculate the
You have a ballistic pendulum. At the end of the event, the angle of the pendulum is ? with the length of the pendulum being L. Find the muzzle velocity of the projectile
A 29.5 kg block is connected to an empty 1kg bucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.50 and the coefficient of kinetic friction between the table and the block is..
Assuming that the total retarding force on the diver is constant at 55.0 N with the parachute closed and constant at 3600 N with the parachute open, what is speed of the diver while he lands on the ground.
At a certain location, the Earth's magnetic field has a magnitude of 5.8×10?5T, Find the magnitude of the magnetic flux through the top of a desk at this location that measures 140cm by 90
the blade of a windshield wiper moves through an arc of 90deg in a time of 0.40s. the tip of the blade moves on the arc
A common flashlight bulb is rated 0.30 A and 2.9 V. what is the temperature of the filament when the bulb is on
In a specific heat experiment 184.0 grams of aluminum (C=913.0 J/kg.K) at 100.0°C) is mixed with 48.0 g water at 20.0°C. Find the entropy change of the aluminum
A hydrogen atom initially in the ground state absorbs a photon, which excites it to the = 4.00 state, estimate the frequency of the photon
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