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A 66.0 kg person throwsa 0.0400 kg snowball forward with a ground speed of 32.0 m/s. A second person, with a massof 59.0 kg, catches thesnowball. Both people are on skates. The first person is initiallymoving forward with a speed of2.00 m/s, and the second person is initiallyat rest. What are the velocities of the two people after thesnowball is exchanged? Disregard the friction between the skatesand the ice.
A fully loaded, slow-moving freight elevator has a cab with a total mass of 1100 kg, which is required to travel upward 49 m in 3.9 min, starting and ending at rest. The elevator's counterweight has a mass of only 830 kg, so the elevator motor must h..
A current of 2.45 A flows along the length of a long solid cylindrical conductor. The radius of the cylinder is 8.5 cm. The current is uniformly distributed through the conductor. Calculate the magnitude of the magnetic field 2.4 cm from the cente..
A solenoid 10.0 cm in diameter and 75.4 cm long is made from copper wire of diameter 0.100 cm, What power must be delivered to the solenoid if it is to produce a field of 7.60 mT at its center
An object is moving along a straight line and the uncertainty in its position is 1.5 m. Find the minimum uncertainty in the momentum of the object
question an x-ray beam of a certain wavelength is incident on a crystal at 31.3deg to a certain family of reflecting
a point charge q 1.17times10-5 c is at the center of a conducting spherical shell of radius r 29.60 cm. the total
At t = 0, a particle leaves the origin with the velocity of 9 m/ s in the positively direction and moves in the x y plane with a constant acceleration of (2.0i - 4.0j) m/ s2. At the instant the x coordinate of the particle is 15m, what is the spee..
a pump in a boat pumps 6 ft3s of water through a submerged water passage which has an area of 0.25 ft2 at the bow of
a 40 x 10^3 kg train is travelling at 8.3m/s when the engineer sees a sheep on the tracks. she throws the emergenxy brakes on. How long is it before the rain will come to a complete stop
Light has a wavelength of 299.3 nm and a frequency of 7.403 × 1014 Hz when traveling through a certain substance. What is the refraction index of this medium
a u.s. 20 gold piece has a mass of 33.44 grams and displaces 1.935 cm3 of water. if the coin is known to consist of
an iron wire has a cross-sectional area of 1.01 x 10-5 m2. carry out steps a through e to compute the drift speed of
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