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An ore sample weighs 20.0N in air. When the sample is suspended by a light cord and totally immersed in water, the tension in the cord is 11.0N .
Part A: Find the total volume of the sample.
Part B: Find the density of the sample.
question1a 20g rifle bullet travelling 230 ms buries itself in a 3.9 kg pendulum hanging on a 2.7 m long string that
A 287kg box is pulled at a constant speed by the little engine. The box moves a distance of 2.4 m across the horizontal surface. (µk=.20), How much energy is transferred by the engine
A suitcase is pulled by a tether that makes a 60 degree angle with the horizontal. what is the magnitude of the pull
An airplane propeller is 2.18 m in length (from tip to tip) with mass 97.0 kg and is rotating at 2600 rpm (rev/min) about an axis through its center. What would its angular speed have to be
A car with energy absorbing bumper hits a tree. The mass of the car is 1500kg, the initial velocity was 10 m/s. What was the energy absorbed
An Atwood machine consists of two masses, = 6.5 and = 8.5 , linked by a cord that passes over a pulley free to rotate about a fixed axis. The pulley is a solid cylinder of radius = 0.40 and mass 0.80 .
in an effort to pump up you decide to hit the gym and lift weights everyday of the week. your favorite lift which you
At the moment of release, a baseball player has a horizontal velocity component of 39 meters per second, At what angle was the ball released
You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. What is the height of the arrow once it has travelled the 47.0 m horizontally
A projectile is fired with an initial speed of 37.8m/s at an angle of 44.7 degrees above the horizontal on a long flat firing range. Determine the total time in the air
Charge q1 = 5.47*10^-8 is placed at the origin. Charges q2 =-1.45*10^-8 C and q3 = 1.95*10^-8 C, Determine the direction of the net electrostatic force on charge q3
Since there is no accommodation and the implant allows for correct distance vision, a corrective lens for close work or reading must be used. calculate the power of the lens in the reading glasses
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