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In a loop-the-loop ride a car goes around a vertical, circular loop at a constant speed. The car has a mass m = 222.0 kg and moves with speed v = 16.16 m/s. The loop-the-loop has a radius of R = 10.8 m. What is the minimum speed of the car so that it stays in contact with the track at the top of the loop?
In a certain region of space, the electric potential is given by V= 6y. The potential V is given in volts, the coodinate y is given in meters. Find the direction of the electric field
We supply 132.4 Joules of heat to an engine with 15.60% efficiency. How much work can the engine do
A wire carries current to the north (towards the top of the computer screen) through a magnetic field. what is the direction of the magnetic force on the current-carrying wire
A heat pump extracts 7.0*10^6 J heat per hour from a well at 280K and delivers its output heat into a house at 320K. what minimum work must be supplied to the heat pump per hour
A house sits in a valley and is 30 m lower than the water tower that serves it. What is the speed of water when it sprays out of a shower in the house?
Heat flows into an ideal gas at a constant volume. The pressure increases from 1.5 atm to 5.5 atm. What is the total heat flow of the process
Given an isothermal expansion of gas from 1.0 to 2.0 cubic meters in a piston-cylinder arrangement where pressure varies according to P= 1.2 atm -.062 atm/ m^3 V, How much thermal energy was transferred
A 1200-turn coil of wire that is 2.1 cm in diameter is in a magnetic field that drops from 0.11 T to 0 in 12 ms. What is the emf of the coil
Dirty Harry is attempting to apprehend a dangerous criminal in a cheese shop, What is the magnitude of the Gouda's velocity after being struck by the bullet
An arrow is shot from a height of 1.9 m toward a cliff of height H, what is the height of the cliff in meters and what is the max height of the arrow along its trajectory in meters
The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion
A 1.2 kg ball drops vertically onto a floor, hitting with a speed of 20 m s-1. It rebounds with a speed of 10 m s-1. What impulse acts on the ball during the contact
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