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What is the resultant vector, R, obtained by adding vectors C and D? Express the magnitude to three significant figures. Express the angle to one decimal place, measured counterclockwise from the positive x axis. Vector C has magnitude 25.0 and acts at an angle of 141.2 degrees with respect to the positive x axis. Vector D has magnitude 13.5 and acts at an angle of 293.9 degrees with respect to the positive x axis.
A charged particle A exerts a force of 2.75 ?N to the right on charged particle B when the particles are 12.0 mm apart. Particle B moves straight away from A to make the distance between them 17.6 mm. What vector force does particle B then exert o..
what is the translational rms speed of carbon dioxide molecules.
A 76 g, 40-{rm cm}-long rod hangs vertically on a frictionless, horizontal axle passing through its center. A 10 g ball of clay travelling horizontally at 2.70 m/s hits and sticks to the very bottom tip of the rod. To what maximum angle, measured fro..
A 3-kg steel ball strikes a wall with a speed of 13-m/s at an angle of 60.0° with the surface. It bounces off with the similar speed and angle. If the ball is in contact with the wall for 0.20s, what is the average force exerted by the wall on the..
A 0.200 kg projectile is fired with a velocity of +745m/s at a 2.0kg wooden block that rests on a frictionless table. The velocity of the block, immediately after the projectile passes through it, is +45 m/s. Find out the velocity with which the p..
A coil with resistance 0.05( and self-inductance 0.01H is connected across a 12-volt battery of negligible internal resistance. a) How long after the switch is closed will the current reach 95% of its final value.
A charge particle of mass .0020kg is subjected to a 6 T magnetic field which is acts as a right angle to its motion. if the particle moves in a circle of radius .20m at a velocity of 5.0 m/s. what is the magntiude of the charge on the particle.
Approximately how many atoms make up our planet? For simplicity, suppose the average atomic mass of the atoms is 14 . Avogadro's number gives the number of atoms in a mole.
A small circular hole 7.00 in diameter is cut in the side of a large water tank, 25.0 below the water level in the tank. The top of the tank is open to the air.
If the arm is 5.50-m long and pivots about one end, at what angular speed (in rpm) should it spin so that the acceleration of the lander is the equal as acceleration because of gravity at the surface of Europa? The mass of Europa is 4.8 times 10^ ..
Air is streaming horizontally past a small airplanes wings such that the speed is 50m/s over the top surface and 30 m/s past the bottom surface. the plane has a mass of 300 kg and a total wing area of 5 m^2(both wings).
A car is travelling at 15m/s while the driver spots a large pothole in the road a distance 45 m ahead. She immediately applies her brakes. Her acceleration is -9.6 m/s2. What is the stopping distance.
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