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Question1
Jim's dog Sparky runs 45.0 northeast to a tree, then 70.0 west to a second tree, and at last 25.0 south to a third tree.
1) Compute Sparky's net displacement vector.Enter the east and north components of the net displacement
2) determine magnitude of Sparky's net displacement. (Meters)
3) compute direction of Sparky's net displacement (degrees)
Question2
A curve of radius 54 m is banked for a design speed of 100 km/h. If coefficient of static friction is 0.30 (wet pavement), at what range of speeds be able to a car safely make the curve? Find out min and max?
A circular coil 18.0cm in diameter and containing nine loops lies flat on the ground. The Earth's magnetic field at this location has magnitude 5.50×10?5T, Determine the torque on the coil
She moves her family to New York and begins work. Three months later, she is fired for no stated cause. Could she successfully sue for reinstatement or pay?
A 2.30-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.40sin (2pi*t), where F is in newtons and t is in seconds. The force constant of the spring is 35.0 N/m.
A point source generating a spherical sound wave at 50Hz, Calculate the amplitude of the particle velocity at r=3m from the source
Elucidate how academic research has influenced the development of accounting theories and the need for accounting information.
An object is 20 cm to the left of a lens of focal length 10 cm. What is the distance between the original object and the final image
The time required for one complete cycle of a mass oscillating at the end of a spring is 0.25s. what is the frequency of oscillation
A proton is moving in an uniform electric field of part (a). At point A, the velocity of the proton is 1.90 X 104 m/s, east. What is the speed of proton at point B.
The speed of the fastest-pitched baseball was 45.0 m/s , and the ball's mass was 145g. How many joules of kinetic energy did this ball have
The pilot of an airplane traveling 180 km/h wants to drop supplies to flood victims isolated on a patch of land 150 m below. The supplies should be dropped explain how many seconds before the plane is directly overhead?
A satellite circles the earth in an orbit whose radius is 2.78 times the earth's radius. What is the period of the satellite
The Fermi energy of silver at 300 K is 5.48 eV. What is the average energy of a conduction electron in silver at 300 K
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