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The Raptor is an outside loop roller coaster in which riders are belted into seats resembling ski-lift chairs. 1, Draw the Free-Body-Diagram of the rider at the highest position in the loop. 2. Calculate, using the work and energy method, the velocity V1 of the rider at the highest position in the loop 3. Determine the minimum speed V0, at which the seat Should coast down from the top of the hill, so that passengers can just make the loop without leaving contact their seats. Neglect friction, the size of the car and passenger, and assume each passenger and car has a mass m. Hint: the rider is upside down and belted to the seat at the position interest.
A 2 feet diameter trommel screen is used to separate municipal refuse. Determine its critical speed
A vehicle starts from rest and travels for 5.0 second with a uniform acceleration of +1.8 m/s2. Find how far has it gone
A motorist driving a 1000 kilogram car wishes to increase her speed from 10 m/s to 30 m/s in 10 second. Obtain the power required to accomplish the increase
Lets say you have a helicopter with 3 blades and eachblade is 5.20 m long and has a mass of 220 kg.The rotor is rotating at 325 rpm. What is the rotationalinertia of the rotor assembly about the axis of rotation?
Water flows at 0.950 m/s from a hot water heater, through a 450-kPa pressure regulator. What's the flow speed in this pipe
The toroid shown in the figure hasa wire carrying a current I= 9.00 Amperes wrapped around it N= 650times. The inner radius is R1= 24.0cm and outer radiusR2= 28.8cm.
A 75 kilogram person is exposed to 45 mrem of alpha particles (RBE=12). Find how much energy in Joules has the person absorbed
Suppose that 36 g ofHg(mercury) at -39°C are dropped into a big bowlthat contains a mixture of water and ice in thermal equilibrium. How much additional ice will be formed
A 50.0 kg child stands at the rim of a merry-go-round of radius 1.65 m, rotating by an angular speed of 2.50 rad/s. What is the child's centripetal acceleration? What minimum coefficient of static friction is needed?
While you are sitting on a chair at the edge of a 1.8 m deep swimming pool, your eyes are 1.7 m above the surface of the water. What is the horizontal distance between you and the acorn?
A 90 g bead on a 60 cm long string is swung in a vertical circle about a point 200 cm above the floor
An aluminium baseball bat has a length of 0.75 m at a temperature of 17°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Decide the final temperature of the bat.
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