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Q1. A motorcycle has a constant speed of 29.0 m/s as it passes over the top of a hill whose radius of curvature is 117 m. The mass of the motorcycle and driver is 325 kg.
(a) Find out the magnitude of the centripetal force that acts on the cycle.
(b) Find out the magnitude of the normal force that acts on the cycle.
Q2. A spacecraft is in empty space. It carries on board a gyroscope with a moment of inertia of Ig = 18.5 kg•m2 about the axis of the gyroscope. The moment of inertia of the spacecraft around the same axis is 5.00 x105 kg•m2.Neither neither the spacecraft nor the gyroscope is at first rotating. The gyroscope can be powered up in a negligible period of time to an angular speed of 125 rad/s. If the orientation of the spacecraft is to be changed by 30.0°, for what time interval must the gyroscope be operated?
If a metal wire carries a current of 23.0 mA, how long does it take for 12.0×1020 electrons to pass a given cross-sectional area anywhere along the wire? The magnitude of the charge on an electron is 1.6 × 10-19 C.
A large tanker truck can carry 30 ton (30,000 lb) of liquid. (a) What volume of water can it carry? (b) What volume of gasoline can it carry.
Status Newton's First Law of motion.
What is a stopping distance
A curve of radius 40 m is banked for a design speed of 100 km/h. If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely create the curve?
The wind blows with a force of 425N north on a sail boat, while the water exerts a force of 325N west on the sailboat. Find out the magnitude and direction of the net external force on the sailboat.
If you weigh 690 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 25.0 km.
A transverse electromagnetic plane wave with a frequency of 2.84 MHz travels directly away from you (- z direction). At time t = 0, your magnetic field detector measures a magnetic field of 4.57 × 10-8 Tesla pointing down (- y direction) that further..
Calculate the volume charge density of the atmosphere
Kelli weighs 417 N, and she is sitting on a playground swing that hangs 0.44 m above the ground. Her mom pulls the swing back and releases it when the seat is 1.00 m above the ground. Imagine that air resistance is negligible.
While Voyager 2 sent back pictures of Neptune during its historic flyby of that planet in 1989, the spacecraft's radio signals travelled for 4 hours at the speed of light to reach Earth. How far away was the spacecraft.
What is acceleration of the elevator
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