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A current of 0.300 A through your chest can send your heart into fibrillation, ruining the normal rhythm of heart beat, how many conduction electrons pass through your heart
A boy kicks a football with an initial velocity of 28.0 m/s at an angle of 30.0 degrees above the horizontal. What is the highest elevation reached by the football
a basketball player grabbing a rebound jumps 79cm vertically. how much total time (ascent and descent) does the player spend
The fast train known as the TGV Atlantique (Train Grande Vitesse) that runs south from Paris to Le Mans in France has a top speed of 310 km/h. If there is a curve with a 1.00 km radius, to what speed
A ball rolls off the edge of a horizontal tabletop, 1.70 m high. It strikes the floor at a point 1.49 m horizontally away from the edge of the table. What was its speed at the instant it left the ta
A hot-air balloon is ascending at the rate of 14 m/s and is 98 m above the ground when a package is dropped over the side. How long does the package take to reach the ground
A ball is thrown from the ground into the air. At a height of 9.1 m, the velocity is observed to be v = 7.1i + 6.8j, What will be the total horizontal distance traveled by the ball
A sun yacht is a spacecraft with a large sail that is pushed by sunlight. Although such a push is tiny in everyday circumstances, What is the magnitude of the resulting acceleration
a car traveling 85 km/hr strikes a tree. the front end of the car compresses and the driver comes to rest after traveling 0.8m. Determine the time it takes the car to stop
A certain particle has a weight of 34 N at a point where the acceleration due to gravity is 9.80 m/s2. What are the weight and mass of the particle at a point where the acceleration due to gravity is
An 79 kg person is parachuting and experiencing a downward acceleration of 2.0 m/s2 shortly after opening the parachute. What upward force is exerted on the open parachute by the air
A 45.0 g ball of copper has a net charge of 1.75 µC. What fraction of the copper's electrons have been removed
The distance between a proton and an electron is 1m. Calculate the electric force and gravitarional force between them
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -1.0799 N when separated by 50 cm, center-to-center. What were the initial charges on the spheres
A brick is thrown upward from the top of a building at an angle of 20° to the horizontal and with an initial speed of 10 m/s. how tall is the building
a world class sprinter can burst out of the blocks to essentially top speed of about 11.5m/s in the first 15.0m of the race. What is the average acceleration of the sprinter
A simple pendulum has a mass of 0.650 kg and a length of 2.00 m. It is displaced through an angle of 7.0° and then released. What is the maximum speed of the bob
An object moves with constant acceleration 4.35 m/s2 and over a time interval reaches a final velocity of 11.0 m/s. What is the distance it travels during this interval
A large positively-charged object with charge q = 3.75 ?C is brought near a negatively-charged plastic ball suspended from a string of negligible mass. what is the angle the string makes with the ve
Vectors A and B have scalar product -3.00 and their vector product has magnitude 9.00. What is the angle between these two vectors
if i car was travling at 22.2 m/s and went to 30.5 m/s in 5.2m/s what is the cars displacement during this maneuver
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.103 N, determine the positive charge in coulombs on the other
The hot reservoir of a heat engine is steam at 100?C while the cold reservoir is ice at 0?C. In 1.2hrof operation, 11kg of steam condenses, What is the power output of the heat engine
A vector has components of 10.0 units along the x axis and 11.0 units along the y axis. What is the magnitude of the vector
Desperate for money, you take a scary job climbing a very tall 2.640 hm high tower to make a repair. How far away are they in feet from the tower bottom