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A car moving initially at 50mi/h begins decelerating at a constant rate 100ft. short of a stoplight. A. If the car comes to a full stop just at the light, what is the magnitude of its acceleration?
Suppose that a projectile which is subject to a linear resistive force is thrown vertically down with a speed Vyo which is greater than the terminal speed Vterm. Describe and explain how the velocity varies with time and make a plot of Vy against t f..
A 0.62 kg brass candlestick has an initial temperature of 98.0 degrees C. what is the specific heat compacity of brass
Air is trapped above liquid ethyl alcohol in a rigid container. If the air pressure above the liquid is 1.11 atm, determine the pressure in the bulb inside a bubble 4.0 m below the surface of the ethanol.
q1. a 52.0 skateboarder wants to just make it to the upper edge of a quarter pipe a track that is one-quarter of a
How much work is completed by the system in this process. Determine the increase in entropy produced by the parachutist; assume the air temperature is 21 degrees C. How much work is completed by the system in this process.
Two children ride on a merry-go-round. One is 2 m from the axis of rotation and the other is 4 m from it. Which child has the larger linear speed and acceleration
The mass of a regulation tennis ball is 52.0g (although it can vary slightly), and tests have shown that the ball is in contact with the tennis racket for 26.0m/s}. what impulse did he exert on the ball
question two point charges are separated by 10.0 cm and have charges of 2.00 and -5.00 muc respectively. at what point
A truck is moving at 150 km/h and approaches a stationary policecar that has a radar speed detector operating at 15 GHz. What wil lbe the frequency change found by the speed detector?
If the velocity of the car is increased to 50 km/ hour, what is its kinetic energy. if the velocity is improved to 75 km/ hour, what is its kinetic energy.
The tires of a car make 58 revolutions as the car reduces its speed uniformly from 91km/h to 36km/h . The tires have a diameter of 0.84m. how much more time is required for it to stop
A 3400 resistor and a 1.6 µF capacitor are connected in series across a generator (60.0 Hz, 120 V rms). Determine the average power dissipated in the circuit
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