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Question1
A blue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.6 m/s. A green car arrives at position of the stop-light 5 s after the light had turned green. If t = 0 while the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed required to catch up to blue car? Answer in units of s
Question2
An unmarked police car, travelling a constant 86, is passed by a speeder travelling 160. Precisely 0.90 after speeder passes the policeman steps on the accelerator if the police car's acceleration is 2.20, how much time elapses after police car is passed until it overtakes the speeder (thought moving at constant speed)?
48 g of ice at -10oC is added to 150 g glass filled with 250 g of water at 20oC. At what temperature will the mixture reach equilibrium
Suppose a block with mass 2.30kg is resting on a ramp. If the coefficient of static friction between the block and the ramp is 0.420.
you apply a potential difference of 4.5 volts between the ends of a wire that is 2.5 m in length and .654mm in radius. What length of nichrome wire will you use
A parallel plate capacitor has a separation between its plates of 1.0 mm. There is a dielectric with a dielectric constant of 2.1 fi ling the gap. what is the area of one of the capacitor plates
strikes the wooden block of a ballistic pendulum, as shown. The block has a mass of 270 g. Find out the speed of the bullet/block combination immediately after the collision.
Flywheels are large, massive wheels used to store energy. They can be spun up slowly, How much energy is stored in the flywheel
A baseball batter sets up in the batting box and holds his bat still over the plate for a moment. How large is the torque exerted by the batter's hand on the bat
A heat engine operates between two reservoirs whose temperatures are 139.3°C, What is the maximum efficiency of this engine
When both cars increase their speed by 7.0m/s , they then have the same kinetic energy. What were the original speeds of the two cars
When the door is open and at rest, the door closer exerts a torque of 5.40 NxM. What is the least force that you need to be relevant to the door to hold it open.
The mass of a certain planet is 3.00 multiply.gif 1026 kg. What is the mean orbital radius of this second moon
Find out the acceleration of the sled and child
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