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Planet Mars has a surface gravity of 3.69 m/s2. If an astronaut weighs 764.4 N on Earth what is his mass and weight measured on Mars?
question two spherical drops of water each carry a charge of 3.00e-11 c. and a potential of 430 v. at their surface. if
A particle leaves the origin with an initial velocity=(3.76i)m/s and a constant acceleration =(-1.43i-2.69j) m/s^2. find velocity and position vector of particle
A heat engine operates in a Carnot cycle between 84.0°C and 345°C. It absorbs 20,800 J of energy per cycle from the hot reservoir. How much energy does it expel in each cycle by heat
a ball of mass 0.075 kg is fired horizontally into a ballistic pendulum. the pendulum mass is 0.350kg. How much kinetic energy was lost in the collision
What is the ratio of the dynamic viscosity of air to that of water at standard pressure and a temperature of 20?C? Find the ratio of the kinematic viscosity of air to that of water for the same condition?
An inductor in the form of a solenoid contains 380 turns and is 14.4 cm in length. What is the radius of the solenoid
a 90 kg sofa sits stubbornly on the wrong side of your living room. if the coefficient of static friction between the
A thin soap film (n = 1.35) is suspended in air. The spectrum of light reflected from the film is missing two visible wavelengths of 490.8 nm and 589.0 nm, What is the thickness of the soap film
A permanent magnet is hung from a string ( balanced ) and pointed in an East - West orientation and released. Describe its motion
A gymnast with mass m1 = 49.0 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 119.0 kg and length L = 5.0 m. Each support is 1/3 of the way from each end. Initially the gymnast stands at the left e..
An ac circuit has a 20 µF capacitor, an 80 mH inductor, and a 60 Ω resistor in series. If the voltage source has an angular frequency of 1000 rad/s, what is the phase constant for the circuit?
Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt. The snowmobile and its rider have a mass of138 kg. Under the..
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