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Three forces in the x-y plane act on a 5.80 kg mass: 15.30 N directed at 59o, 12.20 N directed at 170o, and 6.20 N directed at 202o. All angles are measured from the positive x-axis, with positive angles in the Counter-Clockwise direction.
A) Calculate the magnitude of the acceleration.
B) Calculate the direction of the resultant force using the same sign convention as above (in degrees).
Two capacitors give an equivalent capacitance of 9.00 pF when connected in parallel and an equivalent capacitance of 1.95 pF when connected in series. What is the capacitance of each capacitor?
When the wire is removed, the spheres repel each other with an electrostatic force of 0.0394 N. Of the initial charges on the spheres, with a positive net charge, what was (a) the negative charge in coulombs on one of them and (b) the positive cha..
How fast should a car move toward you for the car's horn to sound 2.88% higher in frequency than as the car is stationary? The speed of sound is 343 m/s.
Every day our Earth receives 1.55×1022 J energy from the Sun. If we were able to use 0.85 percent of this energy to accelerate spaceships, then how various missions will be possible in one year.
A box is pushed across the floor, slide with a constant velocity, and is opposed by a friction force of 25N. What is the magnitude of the force? Choose the correct answer. A.Less than 25N B.Zero C.Greater than 25N D.25n
A child throws a snowball with a horizontal velocity of 18m/s directly toward a tree, from a distance of 9m and a height above the ground of 1.5m.
A shopper pushes a cart 39 m south down one aisle and then turns 90.0° west and moves 27 m. He then makes another 90.0° turn and moves 14 m.
A horizontal beam of electrons initially moving at 4.1 107 m/s is deflected vertically by the vertical electric field between oppositely charged parallel plates.
An 8.00 gram bullet is fired into a 250gm block that is initially at rest at the edge of a table of height 1.0 m. The bullet remains in the block, and after the impact the block lands 2.0 meters from the bottom of the table. Find out the initial s..
A street lamp weighs 146 N. It is supported equally by two wires that form an angle of 120° with each other.
A car travelling 80 km/h slows down at a constant 0.50 m/s^2 just by "letting up on the gas." Compute the distance the car coasts before it stops in meters.
what the torque increase or decrease as the angle increase. Calculate the magnitude of the torque.
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