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A 603.7-W space heater is designed for operation in Germany, where household electrical outlets supply 230 V (rms) service. What is the power output of the heater when plugged into a 120-V (rms) electrical outlet in a house in the United States? Ignore the effects of temperature on the heater's resistance.
A bullet with mass m = 5.21 g is moving horizontally at v = 434 m/s when it strikes a block of hardned steel with mass M = 14,8 kg (initially at rest). What is the impulse (kg m/s) exerted on the block
Two identical launchers fire projectiles with the same initial velocity. One launcher is 3.54m above the ground and fires horizontally. what is the intial velocity of the projectiles
You attach a meter stick to an oak tree, such that the top of the meter stick is 2.47 meters above the ground. how high above the ground was the acorn before it fell
A 55.6 kg child slides down a water slide with a velocity of 0.9 m/sec at the top. At the bottom of the slide, she is moving horizontally, y=1.5 meters above the water. She splashes into the water d=2 meters to the left of the bottom of the slide.
Draw a complete rigid body diagram for a boom of a crane. Given, it is hanging clockwise, with a mass hanging from it as well
An asteroid orbiting the Sun has a mass of 4.00Ã?1016 kg. At a particular instant, How far is the asteroid from the Sun
The dry weight of a man is 845 N. When he is submerged underwater, the reading on the scale is only 43.2 N. What is the density of the man
A rotating door is made from four rectangular sections, as indicated in the drawing. The mass of each section is 80 kg. A person pushes on the outer edge of one section with a force of F = 75 N that is directed perpendicular to the section. Find out ..
Note the gravitational acceleration of equatorial sea level is g = 32.0088ft/s^2 and that its variation is 0.003ft/s^2/ 1000ft ascent. find the height in miles above its point for which g = 30.504 ft/s^2 and what is the weight of a 180lb man on top o..
A uniform ladder 5.0 m long rests against a frictionless, vertical wall with its lower end 3.0 m from the wall. The ladder weighs 180 N. What is the actual frictional force when the man has climbed 1.0 m along the ladder
A pendulum clock has a period of 0.683 s on Earth. It is taken to another planet and found to have a period of 0.828 s, Find the gravitational field strength on the other planet.
A 1,500kg Jeep is parked on a 30? slope, facing uphill (this is been done in right now in "Camp Jeep" en el Hiram Bithorn). Find the normal force exerted by the road on the front wheel
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