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Q. It is 155cm from your eyes to your toes. You're standing 190cm in front of the tall mirror. How far is it from your eyes to the image of your toes?
Q. A 2600 kg car travels at a speed of 27 m/s around a 20 degree curve of radius 93 m. (gravity: 9.8) 1. What is the net centripetal force needed to keep the car from skidding sideways? 2. Were there no friction between the car's tires and the road, what centripetal force could be provided just by the banking of the road? 3. Now assume the friction is sufficient to keep the car from skidding. Calculate the magnitude of the normal force exerted on the car by the road's surface. 4. Compute the magnitude of the friction force. 5. Compute the lowest possible value of the static friction that would prevent the car from skidding.
Inversely proportional to the square of the fields
A flight attendant pulls her 64 N flight bag a distance of 370 m along a level airport floor at a constant velocity. The force she exerts is 45 N at an angle of 51° above the horizontal.
What is the difference between voltage current characteristics for intrinsic and extrinsic semiconductor in both forward in addition to reverse direction.
A chair of weight 130 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.00 N directed at the angle of 35.0 degrees below the horizontal and the chair slides along the floor. Using Newton's law..
Discover the magnetic field on the z axis What happens if the block is immersed in carbon disulfide
A person can jump a horizontal distance of 2.82m on Earth, where the free-fall acceleration, g = 9.81 m/s2. How far might the person jump on the moon, where the free-fall acceleration is g/6? How far could the person jump on Mars where the accelerati..
A block of unknown mass, m, is brought into the configuration shown. It was measured that upon release the block shot upward a maximum distance of 2m. Calculate the mass of this block? The upper spring has a natural length of 1m, and the lower spr..
A 4.20 kg model rocket is launched, expelling 57.0 g of burned fuel from its exhaust at a speed of 675 m/s. What is the velocity of the rocket after fuel has burned.
The press box at a baseball park is 30 ft above the ground. A reporter in the press box looks at an angle of 18 degrees below the horizontal to see second base. What is the horizontal distance from the press box to second base.
Speedboat A negotiates a curve whose radius is 150m. Speedboat B negotiates the curve whose radius is 190m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
Will the car hit the barricade
Nitrogen and oxygen in their liquid states have densities only 0.80 and 0.90 that of water. Atmospheric pressure is due primarily to weight of nitrogen and oxygen gas in the air. If atmosphere liquefied would its depth be greater or less than 10.30 m..
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