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1. From the previous problem, find an equation for the speed of the ball at the determined location, assuming the ball starts rolling from rest
2. In the previous problem, the coefficient of kinetic friction is μk, between block and surface. How much is the spring compressed?
3. In the previous problem, 10% of the kinetic energy is lost during the collision between block and spring. How much is the spring compressed?
4. Two people are at the gym having a debate about how much energy is required to bench press a certain weight for one repetition. One person says that the energy required depends on how fast the weight is lifted. The other person says that it doesn't matter. Using an energy analysis determine which person is correct.
5. A solid ball has a mass of 50 grams and a volume of 20 cm3. What is the density?
6. In the previous problem use θ = 15°. What is the maximum force pushing down the incline so that the block doesn't slip? What is the maximum force pushing up the incline so that the block doesn't slip?
Find the speed at which Superman (mass=83.0 kg) mustfly into a train (mass = 16756 kg) traveling at 100.0 km/hr to stop it. Running into the train at that speed would severely damage both train and passengers.
A 2 kg block is released from the top of a curved incline in theshape of a quarter of a circle radius R. Calculate the radius of the incline in meters
A spring with a 3 kilogram mass attached hangs straight down from a hook like in your lab setup, so that it stretches 1 centimeters due to the weight of the mass. What is the spring constant
A particle of mass 0.400 kilogram is attached to the 100 centimeter mark of meter stick of mass 0.200 kilogram. Find the angular momentum when the stick is pivoted about an axis perpendicular to the table through the 0 cm mark
A 22.5-mW laser beam of diameter 1.98 mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror
A square loop of wire with initial side length 10 cm is placed in a magnetic field of strength 0.5 T. The field is parallel to the axis of the loop. Somebody carefully grabs the edges of the loop and begins pulling them apart such that the area of th..
A 0.25L container is initially filled with air at STP. A piston compresses it adiabatically to a volume of 12.0% of the original volume. Calculate the final temperature and pressure
An astronaut on a distant planet wants to determine its acceleration due to gravity. What is the acceleration due to gravity on this planet
An electron is to be accelerated in a uniform electric field having a strength of 1.60 106 V/m. Find over what distance would it have to be accelerated to increase its energy by 50.0 GeV
What is the tangential acceleration of a bug on the rim of an 11.0-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 76.0 rev/min in 3.80 s
Write and formally differentiate each term to get the second derivative with respect to X. Put it all into the equation as shown and you will see that there will be an infinite number of possible solutions, with progressively higher powers of x in..
A parallel-plate capacitor with area 0.500 m2 and plate separation of 2.00 mm is connected to a 15.00-V battery. What is the electric field between the plates
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