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On a factory assembly line, boxes of mass 20 kg slide from rest down a frictionless incline of length 10m angled 20 degrees below the horizontal. The boxes slide horizontally across a ramp of unknown kinetic coefficient of friction, coming to rest over a distance of 15m where a worker picks them up.
What is the speed of the boxes at the bottom of the incline?
What is the coefficient of friction between the box and horizontal ramp?
A 0.750kg block is attached to a spring with spring constant 16.5N/m . While the block is sitting at rest, What are the amplitude of the subsequent oscillations
A 9.05 kg projectile is fired vertically upward. Air drag decreases the mechanical energy of the projectile-Earth system by 77.5 kJ throughout the projectile's ascent. How much higher would the projectile have gone were air drag negligible.
The Zacchini family was renowned for their humancannonball act in which a family member was shot from a cannon using either elastic bands or compressed air. what was the magnitude of the force propelling him
A simple 2.00 m long pendulum oscillates in a location where g= 9.80 m/s2. What is the period of motion for this pendulum
Two isotopes of carbon, carbon-12 and carbon-13, have masses of 19.93 × 10-27 kg and 21.59 × 10-27 kg, respectively. Determine the spatial separation between the two isotopes
An airplane with a speed of 71.4 m/s is climbing upward at an angle of 49.5 ° with respect to the horizontal. When the plane's altitude is 692 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directl..
Write the general solution of the electric potential due to the charge distribution?
A conducting spherical shell with inner radius a and outer radius b has a positive charg Q located at its center. derive expressions for the electric field magnitude in terms of the distance r from the center
an inductor that has a resistance of 40 ohm is connected to an ideal battery of 224V. Calculate the inductorace
A mass m attached to a spring with constant k (N/m).
A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 40 at 20°C. what is the temperature coefficient of resistivity
during a nascar race a car goes 50 ms around a curved section of the track that has a radius of 250 m. what is the cars
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