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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.
An astronaut is traveling in a space vehicle that has a speed of 0.515c relative to Earth. The astronaut measures his pulse rate at 69.0 per minute. What pulse rate does the Earth observer measure
Two steel guitar strings have the same length. String A has a diameter of 0.60mm and is under 440.0N of tension. Find the ratio of the wave speeds, VA / VB, in these two strings
A diver 40 m deep in 10 degree Celcius fresh water exhales a 0.50-cm-diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20 degrees Celcius? Assume that the air bubble is always in..
If the linear dimensions of an object are doubled, by how much does the surface area increases? By how much does the volume increases
One particle has a mass of 4.41 x 10-3 kg and a charge of +6.92 ?C. A second particle has a mass of 6.52 x 10-3 kg and the same charge. Find the initial separation between the particles
Two identical loudspeakers are placed on a wall 3.00 m apart. A listener stands 5.00 m from the wall directly in front of one of the speakers. A single oscillator is driving the speakers at a frequency of 300 Hz.
A parallel plate capacitor has square plates with sides of length 20 cm. The distance between the plates is 1 mm. What is the electric field between the plates
q1. a shell fired from a cannon has a muzzle speed the speed as it leaves the barrel of 800 fts. the barrel makes an
A 200-pound boy lifts a 40-kg box off of the floor 1.3 meters in 0.7 seconds. determine Which boy is more powerful
Pulling a string on a bow back with a force of 22.8 lb, an archer prepares to shoot an arrow. find what is the tension in the string
Two balls with same mass m1 and m2 are moving in a straight line by velocity v1 and v2 with respect to the ground. They then collide elastically with each other. That is, the total momentum and the total kinetic energy of the two balls are conserved ..
A child's toy arrow has a suction cup on one end. When the arrow moving in positive x direction hits the wall, it sticks. The radius of the suction cup is 1.0 cm. Suppose that the mass of the arrow is about 10 g and it is concentrated in the suction ..
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