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Two men decide to use their cars to pull a truck stuck in mud. They attach ropes and one pulls with a force of 562 N at an angle of 26 degree with respect to the direction in which the truck is headed, while the other car pullswith a force of 846 N at an angle of 17 degree with respect to the same direction.
What is the net forward force exerted on the truck in the direction it is headed?
In Lab 2 you pushed a cart up an incline plane with friction. If the acceleration of the cart on the way up after you release it is 5.5 m/s2 and the acceleration of the cart on the way back down is 3.2 m/s2
What is corresponding free energy change
150ml of water at 20.0C is placed in the freezer compartment of a refrigerator with a coefficient of performance of 6.00. How much heat energy is exhausted into the room
Suppose that two objects attract each other with a gravitational force of 16 units. If the distance between the two objects is doubled, what is the new force of attraction between the two objects
What was the initial negative charge on one of the spheres, and what was the initial positive charge on the other? (Hint: Use charge conservation and solve for one of the initial charges. You would end up with a quadratic equation. The solutions g..
Four equal charges of +2.5×10-6 C are placed on the corners of one face of a cube of edge length 15.0 cm. A charge of -2.5×10-6 C is placed at the center of the cube. What is the magnitude of the force on the charge at the center of the cube?
A loudspeaker of mass 18.00 {rm kg} is suspended a distance of h = 1.20 {rm m} below the ceiling by two cables that make equal angles with the ceiling.
In compressing the spring in a toy dart gun, 0.6 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.08 kg, What is the dart's speed
Three charges (q1 = 7.6 ?C, q2 = -4.7 ?C, and q3 = 1.1?C) are located at the vertices of an equilateral triangle with side d = 6.1 cm. q1 is on the bottom left, q2 is on the bottom right, and q3 is at the top.
A 100 kg rocket moving radially outward from Earth has a speed of 4 km/s as its engine shuts off 200 km above Earth's surface.
At a certain instant of time a particle with charge q = 12 microcoulombs is located at x=0, y=2m; its velocity at that time is v=30 m/s i. Find the magnetic field,B, at (a) the origin
A charged conducting sphere has a radius of 10.0 cm and is surrounded by an electric field. What is the potential at the center of sphere
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