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Q1. Snoop, in hot pursuit of the Red Baron, is flying his vintage warplane in a "loop-the-loop" path. His instruments tell him that plane is level (at the bottom of the loop) and travelling at a speed of 180km/h. He is sitting on a set of bathroom scales. He notes that scales show four times his normal weight. What is the radius of the loop, in meters?
Q2. Richard, mass 75 kg, and Carmelita, who is lighter, are enjoying Lake Merced at dusk in a 35 kg canoe. When the canoe is at rest in the placid water, they exchange seats, which are 3.0 m apart and symmetrically located respecting the canoe's center. Ricardo notices that the canoe moved 45 cm relative to a submerged log throughout the exchange and calculates Carmelita's mass, which she has not told him. What is it?
A portable electric heater uses 14 Amp of current. What is the smallest radius of copper wire that can be used in the extension cord
for an arrangement sshown block 1 and block 2 are both the same mass. determine the downward acceleration of block1
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. How long is the arm of the centrifuge
When its 75kW engine is generating full power, a small single engine airplane with a mass of 700 kg gains altitude at a rate of 2.5 m/s. what fraction of the engine power is being used to make the air plane climb.
A hill that has a 32.1% grade is one that rises 32.1 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal
An MSU linebacker of mass 112.0 kg sacks a UM quarterback of mass 86.0 kg. how fast was the linebacker moving just before the collision
On a banked race track, the smallest circular path on which cars can move has a radius of 111 m, while the largest has a radius 153 m, Find the smallest speed at which cars can move on this track without relying on friction
Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star. find the angular speed of the neutron star
A uniform plank of length 5.40 m and weight 217 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 417 N walk on the overhanging part of the plank before it immedia..
A rocket of mass kg is in flight. Its thrust is directed at an angle of 60 degrees above the horizontal and has a magnitude of. Find the magnitude and direction of the rockets acceleration.
During a do-it-yourself roof repair project, you are on the roof of your house and accidentally drop your hammer, What is the horizontal distance traveled by the hammer between the instant it leaves the roof and the instant it hits the ground
A parallel plate capacitor has a charge per unit area 30 x 10^-10 coulombs per meter^2. What is the voltage on the capacitor
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