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Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 80 kg, and the mass of the woman is 50 kg. The woman pushes on the man with a force of 63 N due east. Determine the acceleration (magnitude and direction) of (a) the man and (b)the woman.
Tarzan swings through the jungle by hanging from a vine. Immediately after he steps off the branch, is Tarzan's acceleration zero or nonzero
Certain rifles can fire a bullet with a speed of 950 m/s just as it leaves the muzzle (this speed is called the muzzle velocity). What is the acceleration of the bullet within the rifle
Two automobiles are equipped with the same single-frequency horn. What is the frequency the horns emit
A ball is released from rest and rolls down an incline plane, requiring 4 sec to cover a distance of 100cm down the plane, How far did it travel vertically while rolling down the olane
A neutral particle moving with velocty, v, decays into two photons moving with angles, a1=30 degrees and a2=60 degrees with respect to the intial velocty of the particle. Find velocty v.
Margaret walks to the store using the following path: .500 miles west, .200 miles north, .300 miles east. What is her total displacement
You are riding a Ferris wheel and you wonder about the motion of the ride. You calculate the radius of the big wheel to be15 meter, Find your speed and magnitude of your acceleration
To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest, Find the average induced emf in the coil during this time. Assume the magnitude of the Earth's magnetic field is 26.9
Consult to explore a model for solving this problem. A person pushes on a 55-kg refrigerator with a horizontal force of -280 N; What is the magnitude of the largest pushing force
A series DC circuit contains a 4mH inductor and an 80 ohm resistor in series with a 12V battery. What is the time constant for the circuit? What are the initial and final currents?
A quarterback throws a pass that is a perfect spiral. In other words, the football does not wobble, how many revolutions has the ball made while in the air
a bird flies 2.8rm km due west and then 2.7rm km due north. another bird flies 2.7rm km due west and 2.8rm km due
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