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a descent vehicle landing on Maes has a vertical velocitytoward the surface of Mars of 5.5 m/s. At the same time, ithas a horizontal velocity of 3.5 m/s.
A). at what speed does the vehicle move along its descentpath?
B). At what angle with the vertical is this path?
A spring (k = 60.5 N/m) hangs vertically with its top end fixed. a mass attached to the bottom of the spring then displace it 0.225 m. establishing a new equilibrium. If the mass is further displaced and then released, what's the period of the result..
A gas is compressed from 655 cm3 to 171 cm3 at a constant pressure of 397 kPa. What is the change in thermal energy of the gas during this process
You are traveling on an airplane. The velocity of the plane with respect to the air is 180 m/s due east, How far east will the plane travel in 1 hour
among the most controversial topics in physical science global warming has received a great deal of attention during
An engine absorbs 1698 J from a hot reservoir and expels 1205 J to a cold reservoir in each cycle. How much work is done in each cycle
A solar collector is placed in direct sunlight where it absorbs energy at the rate of 864 J/s for each square meter of its surface. What equilibrium temperature does the collector reach
The Space Shuttle travels at a speed of about 7.60 103 m/s. The blink of an astronaut's eye lasts about 110 ms. How many football fields (length = 91.4 m) does the Shuttle cover in the blink of an eye?
2750 g of lead at 120 degrees C is added to .150 kg of 85 degrees C water. The heat of vaporization for water is 22.6 X 10^5 J/kg. How much water (in kg) evaporates
a the total amount of charge entering a wire at time t is q 20 c 1-exp-t 2sec where 0lttlt10 is in seconds. graph qt
q1. the two rotating systems shown in the figure differ only in that two identical movable masses are positioned at
A merry-go-round (carousel) with a moment of inertia of 594 kg·m2, is initially rotating horizontally at 2 rad/s about a frictionless axis through its center. find that coefficient of kinetic friction
question the angular momentum of a spinning wheel is 230 kg middot m2s. after application of a constant braking torque
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