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A motorist suddenly notices a stalled car and slams on the brakes, negatively accelerating at 6.6m/s^2 . Unfortunately this isn't enough, and a collision ensues. From the damage sustained, police estimate that the car was going 15km/h at the time of the collision. They also measure skid marks 36m long.
A. How fast was the motorist going when the brakes were first applied?
B. How much time elapsed from the initial braking to the collision?
An ideal gas is enclosed in a cylinder with a movable piston on topof it. The piston has a mass of 8000 g and an area of 5.00cm2 and is free to slide up and down, keeping the pressure of the gas constant.
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What is the time of oscillation of block
A laboratory vacuum pump can reduce the pressure to 1.0 × 10^-7 Pa. If the volume of the chamber is 0.500m^3 and the temperature is 27°C
A capacitor is connected across the terminals of an ac generator that has a frenquency of 460 Hz and supplies a voltage of 24 V. When a second capacitor is connected in parallel with the first one, the current from the generator increases by 0.18 A. ..
You are 1.7m m tall and stand 3.5m m from a plane mirror that extends vertically upward from the floor. What is the minimum height the mirror must have for you to be able to see the top of the table in the mirror
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