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Carlos does a chin- up in gym class and raises himself 0.8 m. if Carlos has a mass of 62 kg, how much work does he accomplish? (remember,mass is not a force!)
The total mass of the astronaut with her space suit and all her gear is 125 kg. A small leak develops in her propulsion system and 5.99 g of gas are ejected each second into space with a speed of 781 m/s.
A 75 kg ladder that is 3.0 m in length is placed against a wall at an angle theta. The center of gravity of the ladder is at a point 1.2 m from the base of the ladder. find the static frictional force between the floor and the ladder
During a cardiac cycle, the heart squeezes about 65g of blood on each contraction into the arterial circulation. what is the maximum force acting on the center of mass of the blood
A 21g particle is moving to the left at 29 m/s. How much work must be done on the particle to cause it to move to the right at 41 m/s.
How much energy is dissipated during the 5 minute interval.
A down jacket has a surface area of 0.83 m2 and is filled with a 3.6 cm thick layer of down, which has a thermal conductivity of 6.0 10-6 kcal/(s · m · C°). At what rate is heat conducted through the coat
Two charged particles, Q1 = +4.50 nC and Q2 = -2.70 nC, are separated by 30.0 cm. What is the electrical potential energy of the pair
The potenial energy for the force between two atoms in a diaomic molcules a-b has he approximate form v(x)= (-a/x^6 )+ (b/x^12), find the frequancy for small vibration
An %u03B1-particle has a charge of +2e and a mass of 6.64 10-27 kg. It is accelerated from rest through a potential difference that has a value of1.20 106 V, What is the radius of its circular path
A floodlight with a mass of 46.00 kg is used to clarify the parking lot in front of a library. The floodlight is supported at the end of horizontal beam that is hinged to a vertical pole. A cable that makes an angle of 29 degrees with the beam is att..
An uncharged capacitor and a resistor are connected in series to a source of emf. If emf = 10.00 V, C = 19.0 µF, and R = 100 ?, find the maximum change on the capacitor
Create a graph corresponding to the stone vertical velocity
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