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An object is thrown up from a height h = 9.8 m with velocity of 4.9 m/s. Derive the equation for motion of the object starting from the force equation. Show each step and find the time at which it reaches ground and it's speed when it hits the ground.
The figure below shows a 6.2 kg rod of 1.00 m in length, hinged to a vertical wall and supported by a thin wire. The wire and rod each make angles of 45° with the vertical. When a 10.0 kg block is suspended from the midpoint of the rod, the tension T..
In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles, What is the magnitude of Betty's force
A wheel (radius 0.6 m) is rolling on a horizontal surface with a center of mass acceleration of 0.7 m/s2. what is the friction force acting between the wheel and the surface
An asteroid is discovered heading straight toward Earth at 12km/s. An international team manages to attach a giant rocket engineto the asteroid. The rocket fires for 10 min, after which theasteroid is moving at 25 degrees to its original path at a..
Kevin has a mass of 81.2-kg and is skating with in-line skates. He sees his 15.4-kg younger brother up ahead standing on the sidewalk, find Kevin's speed just before he grabbed his brother
A target glider, whose mass m2 is 320 g, is at rest on an air track, a distance d = 53 cm from the end of the track. A projectile glider, How much more time elapses before the gliders collide again
Define self-excited vibration - problem relates to self-excited vibration of a SHM in physics.
Two charged bodies exert a force of 150E-03 Newton on each other. Find what will be the force if they are moved so they are one-eighth as far apart
A computer is reading data from a rotating CD-ROM. At a point that is 0.030m from the center of the disk, centripetal acceleration is 120m/s2. What is the centripetal acceleration at a point that is 0.05 m from the center of disc.
A 6.0 multiplied by104 kg space probe is traveling at a speed of14000 m/s through deep space.Retrorockets are fired along the line of motion to reduce the probe's speed. The retrorockets generate a force of 4.0 multiplied by 105N over a distance o..
An RLC series circuit has a 1.00 kΩ resistor, a 150 μH inductorand an 80.0 pF capacitor. What is the impedance at 120 Hz?
A 20kg box slides 45m from the top down to the bottom of an incline that is 10 degrees to the horizontal. How much work is done by the force of gravity on the box
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