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A super ball of mass 0.05 kg is dropped from a height of 10 cm above a table top. It bounces off the table and rises to the similar height. If the super ball was in contact with the table for 30 ms, find the average force exerted by the table on the ball?
What is the kinetic energy of a carbon atom moving with a speed of 500 m/s.
a very massive object traveling at 100 ms in the z direction strikes a very light object that is initially at rest. if
A student sits on a rotatingstool holding two 2.0kg objects. When his arms are extendedhorizontally, the objects are 1.0 m from the axis of rotation, andhe rotates with an angular speed of 0.75 rad/s. Find the new angular speed of the student
Physics 1401 problems about rotational motion and angular displacement and angular velocity and angular acceleration about height problems.
The wavelength of visible light ranges from 400 {\rm nm} to 700 {\rm nm}. Find the ranges of this light's angular frequency
light from a laser beam with a wavelength of 530 nm passes through a narrow single slit and is observed on a screen 1.0
The resistance of a 100-cm wire of cross sectional area 2 × 10-6 m2 is 400 ?. What is the resistivity of the material of this wire
A 60.0kg skier traveling at 20.0m/s reaches the foot of a steady upward 20.0 degree incline and glides 35.0m along this slope before coming to rest. Calculate the fan's average angular acceleration
Aluminum's density is 2700 kg/m^3. An aluminum cube 3.4cm on a side is placed on a scale. What does the scale read when the cube is entirely in air
A car of mass 1110 kg travels at a speed of 20 ms-1 along a straight road. The driver sees a red traffic light ahead, and applies brakes. The coefficient of friction between the car tyres and the road is 0.83. Take the acceleration due to gravity to ..
You have a beach ball which has a radius of 25 cm and a mass of 0.5 kg. You have a lead ball which has the same radius but has a mass of 120 kg. what is the buoyancy force felt by the lead ball
The drawing shows a person (weight W = 598 N, L1 = 0.829 m, L2 = 0.409 m) doing push-ups. Find the normal force exerted by the floor on each hand
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