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A two-stage rocket moves in space at a constant velocity of +4300 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the explosion the velocity of the 1130-kg upper stage is +5810 m/s. What is the velocity (magnitude and direction) of the 2780-kg lower stage immediately after the explosion?
During a solar eclipse, the Moon, Earth, and Sun all lie on the same line, with the Moon between Earth and the Sun. What force is exerted by the Sun on the Moon
A 0.15g honeybee acquires a charge of 22pCwhile flying. The electric field near the surface of the earth is typically 100N/C, What is the ratio of the electric force on the bee to the bee's weight
Collisions between atomic and subatomic particles are usually perfectly elastic. Find the magnitude of the velocity of the alpha particle after the collision
a closely wound solenoid of 2000 turns and area of cross-section 1.6 times 10-4 m2 carrying a current of 4.0 a is
The figure below shows a thin-lens representation of a compound microscope (not to scale). The objective produces a real image I of object O just inside the focal point F1 of the eyepiece. Image I then acts as an object for the eyepiece, which pro..
nichrome wire of cross-sectional radius 0.786 mm is to be used in winding a heating coil. if the coil must carry a
A 600-kg geosynchronous satellite has an orbital radius of 6.6 Earth radii. What gravitational force does Earth exert on the satellite
A 65 man's arm, including the hand, can be modeled as a 76 -long uniform cylinder with a mass of 3.4. by how much does he raise his center of gravity?
A 4.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. find the maximum velocity of the simple harmonic motion
An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire), how much power is dissipated in the cord
The toadfish makes use of resonance in a closed tube to produce very loud sounds. Calculate the intensity of the sound wave emitted
A skier of mass 112 kg travels down a frictionless ski trail. If the top of the trail is a height 220 m above the bottom, what is the work done by gravity on the skier
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