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Question: The four tires of an automobile are inflated to a gauge pressure of 2.04E+5 Pa. Each tire has an area of 0.0274 m2 in contact with the ground. Determine the weight of the automobile.
A flat slab of styrofoam, with a density of 32 kg/m^3, floats on a lake. What minimum volume must the slab have so that a 34kg boy can sit on the slab without it sinking
a hollow sphere has a mass of 15kg, an inner radius of 12cm and an outer radius of 18cm. What is the rotational inertia of the sphere
A 1500kg car skids to a halt on a wet road where coefficient of friction = 0.46. How fast was car traveling if it leaves 68m long skid marks.
q1. if 25grams of water at 100 degrees celsius are mixed with 15 grams of water at 40 degrees celsius what temperature
A wire and a 10 ohm resistor are used to form a circuit in the shape of a square, 20cm by 20cm. What is the induced current through the resistor and its direction
Two capacitors (C1=1.00 ?F and C2=2.00 ?F) are charged with Q1=3.00 ?C on the positive plate of capacitor 1 and Q2=3.00 ?C on the positive plate of capacitor 2, the total charge on the positive plate of capacitor 1
A person, with his ear to the ground, sees a huge stone strike the concrete pavement. A moment later two sounds are heard from the impact: one travels in the air and the other in the concrete, and they are 6.60s apart. How far away did the impact ..
q1. a 60 m ladder leans against a wall. what is the minimum force of friction essential to prevent the ladder from
A 1500 kg truck, cruising at 20.0 m/s, approaches a 0.450 km long hill inclined at 5.74?. what average force was applied to the drive wheels
A playground is on the flat roof of a city school, 5 m above the street below (see figure). The vertical wall of the building is h = 6.20m high, to form a 1.20 m high railing around the playground.
Some people like to place large reflective balls in their gardens. Let?s say that such a ball has a radius of curvature of 24.0 cm, Determine the image distance for the bird's image
Superman must stop a 100km/h train in 150 m to keep it fromhitting a stalled car on the tracks. If the train's mass is3.6 x 10(to the 5th) kg, how much force must he exert
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