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A lab class conducts a 1000 trial scattering probability experiment. Nine (9) target marbles were used on a 45.0 cm wide board. The marble diameter was calculated to be 1.48 cm.
How many hits were recorded during the experiment
A 0.5530-kg ice cube at -12.40°C is placed inside a chamber of steam at 365.0°C. calculate the final temperature of the puddle
He is sitting on a set of bathroom scales. He notes that scales show four times his normal weight. What is the radius of the loop, in meters.
a cosmic ray travels 60 km through the earths atmosphere in 390 ?s as measured by experimenters on the ground.how long
A 0.20 kilogram baseball is dropped and reaches a speed of 1.0 m/s just before it hits the ground. It rebounds with a speed of 0.80 m/s. Find what is the change in the ball momentum
A particle's initial velocity was (3.2, 4.5) meter per second, its final velocity is (2.6, 5.8) meter per second, and its constant acceleration was (-2.4, 5.2) m/s2. Find what was its displacement
A top has a moment of inertia of 2.78 × 10^?4 kg·m^2 and is initially at rest. It is free to rotate about a vertical stationary axis. What is the angular velocity of the object
A 40 kg child sits 1.3 m away from the center of a merry-go-round. If the merry-go-round is traveling with a radial velocity of .78 rad/s, what is the centripetal force on the child
A factory worker accidentally releases a 200 kg crate that was being held at rest at the top of a ramp that is 3.9 m long, How fast is the crate moving as it reaches the bottom of the ramp
All atoms of an element have the same Select one: a. mass number b. atomic number c. number of isotopes d. number of neutrons Which particle is the least massive? Select one: a. proton b. electron c. nucleus d. neturon An electron is a particle with ..
A gazelle running at a constant 20 m/s has a 60m head start on a resting cheetah. Does the cheetah catch the gazelle
catching a wave a 71 kg surfer starts with a speed of 1.3 ms drops through a height of 1.95 m and ends with a speed of
A steam power plant has, at the turbine entrance, saturated vapor with a pressure of 40 bar. The turbine exit is at 50 degrees C. The pump entrance is at 50 degrees C as well, and its exit is saturated liquid at 40 bar. The pump and turbine are is..
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