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Fairgoers ride a ferries wheel with a radius of 5.00 meter. The wheel completes one revolution every 32.0 second. The bottom of the wheel is1.75 meter above the ground. The average speed is 0.982 m/s. Time is1.548 second. Distance traveled is 1.52 meter. If a fairgoers drops his keys when he is on the way up and at the 10'clock position. Find where do the keys land relative to the base of the ride?
Find by how much does the force required to stop a car increase if the initial speed is doubled and the stopping distance remains the same?
A spark can jump among two no touching conductors if the potential difference among them is sufficiently large. A potential dissimilarity of approximately 940 V is required to produce a spark in an air gap of 1.0x10-4 m.
A tuning fork vibrating at 514 Hzfalls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0250 s, estimate vertical components of the launch velocity
A horizontal force of magnitude 31.0 Npushes a block of mass 4.10 kg a distanceof 3.00 m across a floor, where the coefficient of kinetic frictionis 0.600.
The coefficient of linear expansion of a certain solid is 11 × 10^-6/C°. Assuming this solid behaves like most solids, what is its coefficient of volume expansion
a cannon fires a cannonball at an infinitely tall castle a horizontal distance d away from the cannon. the cannon makes
An RLC circuit shown above with a peak voltage of 240 V, f = 60 Hz, R = 100 Kilo Ohms, L = 0.5 mH, C = 200 micro Farad. What is the (linear) resonant frequency of the circuit
Inside an insulated container, a 250-g ice cube at 0 °C is added to 200 g of water at 18 °C. What is the remaining ice mass
An aluminum wire having a cross-sectional area equal to 4.90 10-6 m2 carries a current of 8.00 A. Find the drift speed of the electrons in the wire
An undersea research chamber for aquanauts is spherical with an external diameter of 7.93 m. The mass of the chamber, when occupied, is 64800 kg. What is the buoyant force on the chamber
A 65.5 kg firefighter slides down a pole while a constant frictional force of 300 N retards her motion. Find the maximum distance the spring is compressed
A car is traveling at 10 m/s. How fast would the car need to go to double its kinetic energy? By what factor does the car's kinetic energy increase
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