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Solve the following problem:
Problem: Three vectors have components (x, y): A= (2, 3), B= (4, -7), C= (-6, -3).
Part A- What is the magnitude of the resultant vector (D=A+B+C)
I am not able to get the correct answer please help me for above problem. Thanks.
A 1500 kg elevator moves upward with constant spped through a veticle distance of 25m. Explain how much work was done by the tension in the elevator cable?
A solid circular disk has a mass of 1.2 kg and a radius of 0.18 m. Each of three identical thin rods has a mass of 0.15 kg. Find the moment of inertia of the stool with respect to an axis that is perpendicular to the plane of the disk at its center
A student attempts to "levitate" a piece of current-carrying wire using the Earth's magnetic field (55 T). Find the rate of heat production in the wire
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.870 m/s encounters a rough horizontal surface of length script l = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.360 and..
An iron bar of mass, 0.82 kg, slides down a frictionless incline 0.29 m high, What is the speed of the combined masses after collision
q1. charge a and charge b are 2.5 m apart. charge a is 1.4c and charge b is 2.5c. charge c that is 2.0 c is located
The temperature of a sample of dilute argon gas withn = 7.3 moles decreases by196. If 35,900 Jof heat are extracted from the gas, what is the work done by thegas on its surroundings
A bullet with mass 4.85 g is fired horizontally into a 1.965-kg block attached to a horizontal spring. The spring has a constant 6.29 102 N/m and reaches a maximum compression of 6.40 cm. Find the initial speed of the bullet–block system. m/s
a small sphere with a charge of -5.8 multiplied by 10-7 c is placed in a uniform electric field of magnitude 1.7
An electron accelerated from rest through a voltage of 470 V enters a region of constant magnetic field. what is the magnitude of the magnetic field
A 50 kg ballet dancer stands on her toes during a performance with four square inches (26.0 cm2) in contact with the floor. What is the pressure exerted by the floor over the area of contact (a) if the dancer is stationary and (b) if dancer is lea..
A crane at a construction site lifts a concrete block with a mass of 440 kg from the ground to the top of a building with a height of 15.0 m, If the duration of the lift was 3.00 minutes, then what was the average power performed by the crane
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