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A spaceship of mass 2.3×10^6kg is cruising at a speed of 6.0×10 ^6m/s when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 4.8×10^5kg , is blown straight backward with a speed of 2.3×10^6m/s . A second piece, with mass 8.2×10^5kg , continues forward at 1.0×10^6 m/s .
What is the speed of the third piece?
What is the direction of the third piece?
A 1g plastic pellet is accelerated by an electirc field of 1000V/m over a gap of 12 cm, What is the velocity of the pellet after crossing the gap
An object is solid throughout. When the object is completely submerged in ethyl alcohol, its apparent weight is 14.9 N. compute the volume of the object
Josh starts his sled at the top of a 2.3m -high hill that has a constant slope of 25 ?. How far from the hill does he end up
A child is sitting on the outer edge of a merry-go-round that is 18m in diameter. if the merry-go-round makes 5 rev/min, what is the velocity of the child in m/s
Suppose a tank contains 636 m3 of neon (Ne) at an absolute pressure of 1.01×105 Pa. The temperature is changed from 293.2 to 295.8 K
A high-speed flywheel in a motor is spinning at 450 rpm when a power failure suddenly occurs. The flywheel has mass 37.0kg and diameter 71 cm. The power is off for 27.0s and during this time the flywheel slows due to friction in its axle bearings...
A horizontal beam of electrons initially moving at 4.1 107 m/s is deflected vertically by the vertical electric field between oppositely charged parallel plates.
what is the sign of the charge on the electroscope that you charged by induction, What evidence do you have to support your answer
An oil droplet with 10.0 excess electrons is observed between two parallel electrodes spaced 12.0 mm apart. What is the radius of the droplet
A student of mass 33.5 kg wants to measure the mass of a playground merry-go-round, which consists of a solid metal disk of radius R = 1.50 m that is mounted in a horizontal position on a low-friction axle.
Batteries are rated in terms of ampere-hours (A · h). For example, a battery that can produce a current of 3.00 A for 5.00 h is rated at 15.00 A · h. what is the value of the electricity produced by this battery
The aurora is caused when electrons and protons, moving in earth's magnetic field of 5x10^-5 T, collide with molecules of the atmosphere and cause them to glow. What is the radius of the circular orbit for (a) an electron with speed 1.0×10^6 and (b) ..
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