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An appliance mover is pulling a 300 lb stove across the floor by placing it on a piece of carpet and pulling at a 45 degree angle. If µ s = 0.5 and µ k = 0.2, how much force is necessary to get it moving? How much force is required to keep it moving once it has started to move? (Draw a force body diagram, and state your equation used to solve this problem please)
Clifford is in a real hurry, however, and skips the speedramp. Starting from rest with an acceleration of 0.39 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. Illustrate what is the speed at which the belt of the ra..
A 120-V rms voltage at 60.0 Hz is applied across an inductor, capacitor and a 100-? resistor in series. what is the rms value of the current in this circuit
The small currents in axons corresponding to nerve impulses produce measurable magnetic fields. What is the strength of the field at a distance of 1.2mm
Two identical 0.13 kg blocks (labeled 1 and 2) are initially at rest on a nearly frictionless surface, connected by an unstretched spring, where x2 = 0.04 m.
So I have a 500kg object being lowered by a crane while two people steady it with ropes pulling on either side. what is the tension in the main rope supporting the object
What is the friction force that acts on the bear?
A uniform magnetic field (0.20 T) is directed 35 degrees above the horizontal, penetrating a horizontal circular coil (radius 6.0 cm)
The brass bar and the aluminum bar in the drawing are each attached to an immovable wall. At what temperature will the gap be closed
A certain loudspeaker has a diameter of 45 cm. At what frequency would the wavelength of sound it emits in air be equal to its diameter.
A spring with a spring constant of 224.8 N/m is compressed by 0.229 m. What is the speed of the ball bearing right after it loses contact with the spring
A semi-trailer is coasting downhill along a mountain highway when its brakes fail. What was the truck's initial speed
A 10 kg runaway grocery cart runs into a spring with spring constant 240N/m and compresses it by 65cm. What was the speed of the cart just before it hit the spring.
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