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A solid uniform ball with a mass of 125 g is rolling without slipping along the horizontal surface of a table with a speed of 4.5 m/s when it rolls off the edge and falls towards the floor, 1.1 m below. What is the rotational kinetic energy of the ball just before it hits the floor.
A cancer patient is undergoingradiation therapy in which protons with an energy of 1.2 MeV areincident on a 0.25 kg tumor. How many protons are absorbed by the tumor
Suppose 0.0330 kg of steam (at 100.00°C) is added to 0.330 kg of water (initially at 21.1°C.). Find the final temperature (in °C) of the water after equilibrium is reached
A spring with a spring constant 23 N/m is suspended vertically. (Assume the mass of the spring is negligible), How much does the spring stretch (in cm) when 236 g is added? The spring is then set into vertical oscillation from its equilibrium positio..
A fully charged 6.2F capacitor is connected in series with a 1.7×105 resistor. What percentage of the original charge is left on the capacitor after 1.6s of discharging?
A cat is brought into a vets office you need to find itscenter of gravity. what is the total weight of the cat
On a frictionless track, a 0.55 kg cart is traveling at 0.70 m/sec when it runs into a spring that is anchored to the end of the track. what is the original kinetic energy of the cart as it approached the spring
What is the total mass of the Earth’s atmosphere? (The radius of the Earth is 6.37 x 10 6 m, and atmospheric pressure at the surface is 1.013 x10 5 N/m2 ). Think about why we can use such a simple equation to find the mass of the Earth’s atmosphere? ..
A 5.50 kg ornament is hanging by a 1.40 m wire when it is suddenly hit by a 3.00 kg missile traveling horizontally at 12.0 m/s. What is the tension in the wire immediately after the collision
an amusement park ride is designed such that riders experiance a total magnitude of no more than 30mss acceleration.
An energy storage system based on a flywheel (a rotating disk) can store a maximum of 3.2 MJ, What is the moment of inertia of the flywheel
You hold a book in place on a chalkboard by applying a horizontal force. Find the minimum horizontal force need to keep the book from sliding down the chalkboard
you are traveling in a car going at a constant speed of 100 kmhr down a long straight highway. you pass another car
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