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1. A certain object weighs 300 N at the Earth's surface. Determine the mass of the object (in kilograms) and its weight (in newtons) when located on a planet with an acceleration of gravity equal to 4.0ft/s2.
2. The density of a certain type of jet fuel is 775 kg/m3. Determine its specific gravity and specific weight.
3. A hydrometer is used to measure the specific gravity of liquids. (See Video V2.8.) For a certain liquid, a hydrometer reading indicates a specific gravity of 1.15. What is the liquid's density and specific weight? Express your answer in SI units.
Explain influence coefficients - influence coefficients in simple harmonic motion in physics.
A rifle is aimed horizontally at a target 35 m away. The bullet hits the target 2.8 cm below the aiming point. What is the bullet's time of flight
Spring loaded gun fires a projectile to a heighten when fired straight up. What max height will the projectile reach when fired at an angle 45° from the vertical
Draw a FBD for the falling coffee filter. What is the net force? What are we assuming by using the average velocity from Procedure 1 to estimate the height of the fall in Procedure 2?
you and a friend pull on two ropes to dock a satellite whose mass is 1300 kg. The satellite is initially at position m, How much work did your friend do
The robot HooRU is lost in space, floating around aimlessly, and radiates heat into the depths of the cosmos at the rate of 13.5 W. What is HooRU\'s temperature
Imagine holding the above plastic block under water. When released, what is the upward acceleration of the block
Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au2+), Determine the radius of the path
q1. a good baseball pitcher can throw a baseball toward home plate at 98 mih with a spin of 1590 revmin. how numerous
If a person standing inside an elevator is moving up at uniform speed of 4m/s what is the normal force on her feet? Weight of the person is 60kg
A person (body mass=72 kg) is taking off for a long jump. Ground reaction forces Fg,x = 250 N and Fg,z = 900 N. Calculate the resultant ground reaction force
A series circuit contains a 3.00 H inductor, a 2.60 µF capacitor, and a 20.0 resistorconnected to a 120 V (rms) source of variable frequency. Find the power delivered to the circuit when the frequency of the source is each of the following:
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