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Solve the all parts of given question:
Question: The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically r=0.002. Suppose an 180,000 kg locomotive is rolling at 15 m/s on level rails.
Part A: If the engineer disengages the engine, how much time will it take the locomotive to coast to a stop?
Part B: How far will the locomotive move during this time?
I want help to find how much time will it take the locomotive to coast to a stop.
A kayaker needs to paddle north across an 85 m wide harbor. The tide is going out, creating a tidal current that flows to the east at 1.7 m/s. The kayaker can paddle with the speed of 3.0 m/s.
A 12.5 Kg block lies on a 30.0 degree incline. A rope connects the block to the upper end of the incline. The rope is parallel to the incline. what is the wave speed of waves on the rope
A 10 g bullet traveling at 440m/s strikes a 7.0kg , 1.2-m-wide door at the edge opposite the hinge. What is the angular velocity of the door just after impact
Why does air circulate from a point with less pressure towards one with more pressure? (We have a tunnel, and on one side the wind blows faster than at the other)
q1. two cars with equal mass collide head on. one car is going 18 mph. that car is push backward about 38 feet. what is
A Geiger tube consists of two elements, a long metal cylindrical shell and a long straight metal wire running down its central axis. Model the tube as if both the wire and cylinder are infinitely long.
A 5g bullet leaves the muzzle of a rifle with a speed of 320 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.81 m long barrel of rifle.
A rod of length ? with uniform charge per unit length ? , where ? > 0, is placed a distance d from the origin along the x axis, The segment is at a distance x from the origin, Determine the electric field
A laser emits a cylindrical beam of light 2.8mm in diameter.If the average power of the laser is 2.6mW , what is the rms value of the electric field in the laser beam?
A standing wave is set up by reflecting radio waves from a large, flat metal dish. What is the frequency of the radio waves
A series RC circuit is driven by an alternating voltage source at a frequency of 103 Hz. By what phase angle does the capacitor voltage lead (positive) or lag (negative) relative to the resistor voltage
When a capacitor is connected to a 9.45 V source, the stood energy in the capacitor is 6.50 mJ. Determine the capacitor of the capacitor
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