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The model airplane in Figure 5.7 is flying at a speed of 14.4 m/s on a horizontal circle of radius 17.2 m. The mass of the plane is 1.19 kg. The person holding the guideline pulls it in until the radius of the circle becomes 10.3 m. The plane speeds up, and the tension in the guideline becomes four times greater. What is the net work done on the plane?
_____ Units J
A 0.120 kg block on a horizontal frictionless surface is attached to the spring whose force constant is 572 N/m. The block is pulled from its equilibrium position at x = 0 m to a displacement x = +0.080 m and is released from rest. The block after th..
Dario, a prep cook at an Italian restaurant, spins a salad spinner and observes that it rotates 20.0 times in 5.00 seconds and then stops spinning it. What is the angular acceleration of the salad spinner
q1. if the accelerating plates are 1.60 apart and have a potential difference of 2.60times104 what is the magnitude of
A beam of laser light (? = 741 nm) hits a black wall and is fully absorbed. what is the total force exerted by the photons on the wall
An ideal gas in a piston is placed in a refrigerator, which removes 686 J of energy from the gas via cooling. find the net change in the internal energy of the gas in the piston
A sledge loaded with bricks has a total mass of 18.6 kg and is pulled at constant speed by a rope inclined at 19.6° above the horizontal. How much work is done by the rope on the sledge
Chip rolls a ball down an incline (without slipping) at the same time Emmanuel slides a frictionless block with the same mass down the incline
Write a complete set of equations from Kirchhoffs for the circuit -
A wrecking yard inventor wants to pick up cars by charging a 0.400 m diameter ball and inducing an equal and opposite charge on the car.
question1the suspended 2.2 kg mass on the right is moving up the 1.8 kg mass slides down ramp and the suspended 8.7 kg
What is the turntables angular speed as the block
A uniform disk is constrained to rotate about an axis passing through its center and perpendicular to the plane of the disk. find the average angular acceleration that the disk experiences
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