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A 6.5 x 104-kg space probe is traveling at a speed of 14000 m/sthrough deep space. Retrorockets are fired along the line of motionto reduce the probe's speed. The retrorockets generate a force of4.5 x 105 N over a distance of 2500 km. What is the final speed of the probe?
An airplane, capable of flying at a speed of 500 miles/hr in still air (i.e., the airplane can fly with a speed of 500 miles/he relative to the air), How long does it take the plane to fly over the river
A projectile is shot from the edge of a cliff 140 m above ground level with an initial speed of 100 m/s at an angle of 37 degrees with the horizontal. Find out the time taken by the projectile to hit point at ground level.
An RLC series circuit has a resistance of R = 334 %u03A9, an inductance L = 0.270 mH, what is the maximum source voltage amplitude when the circuit is operated at the resonant frequency
In a series circuit, a generator (1384 Hz, 14.4 V) is connected to a 17.1-? resistor, a 3.69-µF capacitor, and a 5.72-mH inductor. Find the voltage across each circuit element
a shower head has 20 circulaar openings, each with radiius 1.0 mm. what is its speed as it exits the shower head openings
A spherical ball with a radius of 2.660×10-1 m is completely submerged in a fluid that has a density of 1.081×103 kg/m3. What is the volume of the fluid displaced by the ball? What is the weight of the fluid displaced by the ball?
A person driving her car at 46.0 km/hr approaches an intersection just as the traffic light turns yellow, How far from the intersection will she be when the light turns red
A comet has a very elliptical orbit with a period of 121.0 y. what is its greatest distance from the Sun
Calculate the frequency and period of a pendulum of mass 10 kg and a) length .5 meters, b) length 5 meters.
A student (m = 63kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.040 s. From what height did the student fall
A cart with mass 380 g moving on a frictionless linear air track at an initial speed of 0.9 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. After the collision, the first cart continues in its original direction ..
A horizontal bar of negligible weight has a 55.10 lb weight hanging from the left end and a 72.0 lb weight hanging from the right end. The bar is seen to balance 97.50 in from the left end. Find the length of bar.
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