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A 1400kg weather rocket accelerates upward at 10m/s^ 2 . It explodes 2.5s after liftoff and breaks into two fragments, one twice as massive as the other. Photos reveal that the lighter fragment traveled straight up and reached a maximum height of 520m .
What was the speed of the heavier fragment just after the explosion?
What was the direction of the heavier fragment just after the explosion?
An artificial satellite circling the Earth completes each orbit in 118 minutes. Find the altitude of the satellite
The mass of an object is 332 g, and its volume is determined to be 25 cc. What is the mass density of the object
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As a 16,500 kg jet plane lands on an aircraft carrier, its tail hook snags a cable to slow it down. what was the plane's landing speed
A Ferris wheel has a radius of 5.0 m and makes one revolution in 8.0 seconds. A person weighing 670 N is sitting on one of the benches attached at the rim of the wheel. what is the apparent weight of the person
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.370mm wide. What is the width of the central bright fringe
The howler monkey is the loudest land animal and can be heard upto a distance of 2.5 km. The acoustic power emitted by the howler, in mW is
Having grown tired of hearing loud music from passing cars at 3 am and the boisterous yelling of bar patrons at closing, If her new home is 2.8 km from the freeway, what's the intensity level there
A man begins pushing a box from rest up a ramp angled at 22 degrees from horizontal, exerting a constant force of 500N, with what average force will it hit the ground
a solenoid with length of 2.71 m and N= 311 turns/m carries a current 2.63 A. It stores 2.57 J of energy. What is the cross-sectional area of the solenoid
A thin 7.3-m metal rod sustanins a longitudinal standing wave with vibration antinodes at each end of the rod. What is the frequency of the rod's vibration
A particle moving along the x-axis has its position described by the function x =( 5.00 t3? 3.00 t+ 2.00 )m, what are the particle's position, velocity and acceleration
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