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The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. The density of seawater is 1025 kg/m3.
(a) If an underwater vehicle were to explore such a depth, what force would the water exert on the vehicle's observation window (radius = 0.131 m)?
(b) For comparison, determine the weight of a jetliner whose mass is 4.30 × 105 kg.
A 4.0 kg block is released from rest at the top of a 30 degree frictionless incline. The block makes a head on elastic collision with another 3.0 kg block initially at rest on a horizontal surface at the bottom of the incline.
In a test laboratory, an electric engine is used to accelerate a wheel from rest. what is the average power output of the engine
Compute the camels eastward displacement
It's found that string is set into oscillation only at the frequency 880 Hz and 1320 Hz as the frequency of an oscillator is varied over the range 500-1500 Hz. What is the tension in the string.
A 39.00 g ball is fired horizontally with initial speed v_0 toward a 110g ball that is hanging motionless from a 1.00 m-long string. The balls undergo a head-on, perfectly elastic impact, after which the 110 g ball swings out to a highest angle th..
or a given initial projectile speed, For what other launch angle will the projectile have the same range
A 63.0 ?F capacitor is connected to a generator operating at a low frequency. The rms voltage of the generator is 4.00 V, at what frequency will the fuse burn out
A projectile is fired straight upward from the Earth's surface at the South Pole with an initial speed equal to one third the escape speed. What is the altitude of the projectile at this instant
You are using a standard microscope with a 0.10NA 4x objective and switch to a 0.65NA 40x objective. What are the acceptance angles for each
A rotating wheel requires 3.08-s to rotate through 37.0 revolutions. What is the constant angular acceleration of the wheel
A proton has an initial speed of 3.3*10^5, What potential difference is required to reduce the initial speed of the proton by a factor of two
A typical red blood cell subtends an angle of only 1.91E-5 rad while viewed at a person's near-point distance of 25cm. Assume a red blood cell is examined with a compound microscope in which the objective and eyepiece are separated by a distance o..
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