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A 38 kg, 1.5 meter long wheelbarrow is loaded with 5 kg off lowers ready to be planted. The flowers are located 73 cm from the wheel (fulcrum).
a) How much force is on the wheel?
b) How much force would you need to pull up on the handle to move the wheelbarrow?
what is the electric potential energy of this particle. what is its speed just before it strikes the positive plate.
an object with a mass of .40 kg moving with a speed of 25 ms is brought to rest after sliding on a rough surface. the
A ball is thrown up with a velocity of 8 m/s and allowed to fall back down. how long will the ball take to return to its initial position
a 50-g bullet is fired into and becomes embedded in a 300-g wooden ballistic pendulum with a solid arm. if the pendulum
zorch, an arch enemy of superman, decides to slow earth's rotation to once per 27.0 h by exerting an opposing force at, How long must zorch push with this force to achieve his goal
What linear speed must a 0.065-kg hula hoop have if its total kinetic energy is to be 0.12J? Assume the hoop rolls on the ground without slipping.
A circular disk of radius 0.010 m rotates with a constant speed of5.0 rev/s. What is the acceleration of a point on edge of the disk
A pitcher claims he can throw a 0.145-kg baseball with as muchmomentum as a 3.00-g bullet moving with a speed of 1.50 x 103m/s. What must the baseball's speed be if the pitcher's claim is valid
a proton is located at the origin and a second proton is located on the x-axis at x 5.38 fm 1 fm 10-15 m.a calculate
a small object is released from rest and falls 1.00 times 102 feet near the surface of the earth. neglect air
A light year is defined as the distance light can travel at 3 x 108 m/s in one year (365 days). How far is one light year in kilometers
A voltage of 14 V is placed on a capacitor with C = 103 pF (picofarads). How much energy is stored in the capacitor
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