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A positive charge of 4.40 uC is fixed in place. From a distance of 3.00 cm a particle of mass 6.70 g and charge +3.20 uC is fired with an initial speed of 80.0 m/s directly toward the fixed charge. How close to the fixed charge does the particle get before it comes to rest?
an astronaut lands on a distant planet and performs an experiment to determine the local value of g the acceleration
A gas enclosed in a container fitted witha piston ofcross-sectional area .10m^2. If 42 J of energy is added to the system by heat duringthe expansion what is the change in internal energy of the system
question when a charged particle moves at an angle of 20deg with respect to a magnetic field it experiences a magnetic
A car is traveling at 95.0 km/hr when it collides with a stone wall. The car comes to rest after the first 30.0 cm of the car is crushed. what would the average force acting on the driver
gas is stored in a rigid container at 7 degrees c. the volume of the container is 2 cubic meters. the initial gauge
a dirt bike racer is going up a 45o slope. he and the dirt bike have a combined mass of 184 kg and the knobby tires
When lifting an object using the biceps muscle, the forearm acts as a lever with the fulcrum at the elbow. The input work is provided by the biceps muscle pulling up on the bone. How much force should the biceps exert to lift an object weighing 12..
A battery in a circuit has an emf of 8.8 V. The only other component in the circuit is a resistor. 4.4 A of current flows in the circuit. What is the potential difference across the battery
one particle has a mass of 2.00x10-3 kg and a charge of 7 microc. a second particle has a mass of 7.00 x 10-3 kg and
A 10 g bullet traveling at 440m/s strikes a 7.0kg , 1.2-m-wide door at the edge opposite the hinge. What is the angular velocity of the door just after impact
An atom is ionized so that it has only one electron. When the electron drops from the n = 4 shell to the n = 1 shell, What is the atomic number
A heat engine operates in a Carnot cycle between 84.0°C and 345°C. It absorbs 20,800 J of energy per cycle from the hot reservoir. How much energy does it expel in each cycle by heat
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