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A moving, and accelerating, streetcar travels 20.0 m during a street crossing in 2.40 s. It continues to accelerate after this crossing until it reaches a speed of 32.0 m/s. If the streetcar’s acceleration is 1.60 m/s2 at all times, how long, in time, after this crossing does the streetcar reach that speed of 32.0 m/s? (Note that the streetcar's initial speed at the start of the crossing is not zero; it is already moving when it first enters the crossing.)
suppose the water at the top of niagara falls has a horizontal speed of 3.1 ms just before it cascades over the edge of
The height of a helicopter above the ground is given by h = 2.90t3, where h is in meters and t is in seconds. How long after its release does the mailbag reach the ground
A block of ice slides 500 m down along a frictionless slope (slopes 20 degrees below horizontal). what is blocks speed at end of slop
A 10-kg fish is being yanked upward out of the water and the fishing line breaks. If the line is rated to a maximum 200 N tension, then what was the minimum acceleration of the fish? DRAW THE FBD!
A capacitor is connected in series with a resistor and a switch. With the switch open, the capacitor is charged to 9.0 V. When the switch is closed, how long will it take for the voltage across the capacitor to drop to 6.0 V if the time constant of t..
A 3440-kg spacecraft is in a circular orbit a distance1850 km above the surface of Mars. How much work must thespacecraft engines perform to move the spacecraft to a circularorbit that is 4360 km above the surface?
A cylindrical fishing reel has a moment of inertia of I=6.22×10-4 kg•m2 and a radius of 4.44 centimeter. Calculate the force of the fish on the line
A rotational inertia for a driver in a pike position is about 15.5 kg*m^2; it is only 8.0 kg*m^2 in a tuck position. How many in a pike position
A car accelerates uniformly from rest and reaches a speed of 23.7 m/s in 8.43 s. The diameter of a tire on this car is 51.9 cm. What is the final angular speed of a tire in revolutions per second
question. no 1 a lift is filled with patients has a total mass of 2055 kg. as the lift begins to go up the
By how much does the potential energy of a 15.0-kg child increase. Find v0.
A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. determine the maximum inductance of the tank circuit
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