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A faulty model rocket moves in the xy-plane (the positive y-direction is vertically upward). The rocket's acceleration has components and , where = 2.50 , = 9.00 , and = 1.40 . At the rocket is at the origin and has velocity with = 1.00 and = 7.00 . Sketch the path of the rocket.
Find the emissivity of a surface that radiates heat at the same rate that it loses heat through convection when its temperature is 107° C
A demonstration gyroscope consists of a uniform disk with a 41-cm radius, mounted at the midpoint of a light 58-cm axle, How fast is the gyroscope precessing, in units of rad/s, if the disk is spinning around the axle at 28 rev/s
An airplane propeller is 2.38m in length (from tip to tip) and has a mass of 117kg. What is the angular acceleration of the propeller
A movie camera with a (single) lens of focal length 90 mm takes a picture of a person standing 21 m away. If the person is 180 cm tall, what is the height of the image in millimeters
A gas, while expanding under isobaric conditions, does 494 J of work. The pressure of the gas is 1.57E+5 Pa, What is the final volume of the gas
At what average rate does the force from the cable. A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 15 {rm m}/{rm s} as the hand is 2.0 {rm m} above the ground.
A person undergoing radiation treatment for a cancerous growth receives an absorbed dose of 1.8 Gy. All the radiation is absorbed by the gowth. Determine the rise in temperature
A conducting bar with a mass of 0.155 kg and a length of 16.0 cm is suspended touching two vertical electrical contacts which form an electric circuit with a battery that has an electric potential of 8.5 V. What is the resistance R that exists in t..
A series RLC circuit consists of a 96.0 ? resistor, a 0.200Hinductor, and a 43.0 ?F capacitor. It is attached to a120 V/60 Hz power line. What is the average power loss
q1. a man pulls a crate of mass 75.0 kg across a level floor. he pulls with a force of 180.0 n at an angle of 26.0deg
Calculate the electric field(magnitude and direction) at the center of a square 52.5 on a side if one corner is occupied by a - 38.8 charge
q1. a camera falls from a blimp that is 259 m above the ground and rising at a speed of 10.2 ms.find the maximum height
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